{"id":14608,"date":"2025-03-30T21:35:58","date_gmt":"2025-03-30T21:35:58","guid":{"rendered":""},"modified":"2025-06-04T05:03:19","modified_gmt":"2025-06-04T11:03:19","slug":"cve-2023-52030-critical-remote-code-execution-vulnerability-in-totolink-a3700r","status":"publish","type":"post","link":"https:\/\/www.ameeba.com\/blog\/cve-2023-52030-critical-remote-code-execution-vulnerability-in-totolink-a3700r\/","title":{"rendered":"CVE-2023-52030: Critical Remote Code Execution Vulnerability in TOTOlink A3700R"},"content":{"rendered":"<p class=\"\" data-start=\"85\" data-end=\"110\"><strong data-start=\"85\" data-end=\"110\">Vulnerability Summary<\/strong><\/p>\n<ul data-start=\"112\" data-end=\"834\">\n<li class=\"\" data-start=\"112\" data-end=\"207\">\n<p class=\"\" data-start=\"114\" data-end=\"207\"><strong data-start=\"114\" data-end=\"125\">CVE ID:<\/strong> <span class=\"relative -mx-px my-[-0.2rem] rounded px-px py-[0.2rem] transition-colors duration-100 ease-in-out\">CVE-2023-52030<\/span>\u200b<\/p>\n<\/li>\n<li class=\"\" data-start=\"208\" data-end=\"305\">\n<p class=\"\" data-start=\"210\" data-end=\"305\"><strong data-start=\"210\" data-end=\"223\">Severity:<\/strong> <span class=\"relative -mx-px my-[-0.2rem] rounded px-px py-[0.2rem] transition-colors duration-100 ease-in-out\">Critical (CVSS 3.1 Score: 9.8)<\/span>\u200b<\/p>\n<\/li>\n<li class=\"\" data-start=\"306\" data-end=\"408\">\n<p class=\"\" data-start=\"308\" data-end=\"408\"><strong data-start=\"308\" data-end=\"326\"><\/strong><a href=\"https:\/\/www.ameeba.com\/blog\/local-hospital-network-grapples-with-major-tech-outage-a-cybersecurity-attack-case-study\/\"  data-wpil-monitor-id=\"54693\">Attack Vector: <span class=\"relative -mx-px my-[-0.2rem] rounded px-px py-[0.2rem] transition-colors duration-100 ease-in-out\">Network<\/a><\/span><\/p>\n<\/li>\n<li class=\"\" data-start=\"409\" data-end=\"515\">\n<p class=\"\" data-start=\"411\" data-end=\"515\"><strong data-start=\"411\" data-end=\"433\">Attack Complexity:<\/strong> <span class=\"relative -mx-px my-[-0.2rem] rounded px-px py-[0.2rem] transition-colors duration-100 ease-in-out\">Low<\/span>\u200b<\/p>\n<\/li>\n<li class=\"\" data-start=\"516\" data-end=\"624\">\n<p class=\"\" data-start=\"518\" data-end=\"624\"><strong data-start=\"518\" data-end=\"542\">Privileges Required:<\/strong> <span class=\"relative -mx-px my-[-0.2rem] rounded px-px py-[0.2rem] transition-colors duration-100 ease-in-out\">None<\/span>\u200b<\/p>\n<\/li>\n<li class=\"\" data-start=\"625\" data-end=\"734\">\n<p class=\"\" data-start=\"627\" data-end=\"734\"><strong data-start=\"627\" data-end=\"648\">User Interaction:<\/strong> <span class=\"relative -mx-px my-[-0.2rem] rounded px-px py-[0.2rem] transition-colors duration-100 ease-in-out\">None<\/span>\u200b<\/p>\n<\/li>\n<li class=\"\" data-start=\"735\" data-end=\"834\">\n<p class=\"\" data-start=\"737\" data-end=\"834\"><strong data-start=\"737\" data-end=\"748\">Impact:<\/strong> <span class=\"relative -mx-px my-[-0.2rem] rounded px-px py-[0.2rem] transition-colors duration-100 ease-in-out\"><a href=\"https:\/\/www.ameeba.com\/blog\/cve-2023-29048-remote-code-execution-via-oxmf-template-injection-in-open-xchange-app-suite\/\"  data-wpil-monitor-id=\"24542\">Remote Code Execution<\/a> (RCE)<\/span>\u200b<\/p>\n<\/li>\n<\/ul>\n<p class=\"\" data-start=\"836\" data-end=\"1001\"><span class=\"relative -mx-px my-[-0.2rem] rounded px-px py-[0.2rem] transition-colors duration-100 ease-in-out\">CVE-2023-52030 is a <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-22937-critical-remote-code-execution-vulnerability\/\"  data-wpil-monitor-id=\"24860\">critical remote code execution<\/a> vulnerability identified in the TOTOlink A3700R router, specifically in firmware version 9.1.2u.5822_B20200513.<\/span> <span class=\"relative -mx-px my-[-0.2rem] rounded px-px py-[0.2rem] transition-colors duration-100 ease-in-out\">The vulnerability resides in the <code data-start=\"33\" data-end=\"47\">setOpModeCfg<\/code> function, which improperly handles user input, allowing unauthenticated attackers to <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2023-43449-arbitrary-code-execution-vulnerability-in-hummerrisk-software\/\"  data-wpil-monitor-id=\"27384\">execute arbitrary<\/a> commands on the device.<\/span> \u200b<\/p>\n<p class=\"\" data-start=\"1003\" data-end=\"1024\"><strong data-start=\"1003\" data-end=\"1024\">Affected Products<\/strong><\/p>\n<p class=\"\" data-start=\"1026\" data-end=\"1111\"><span class=\"relative -mx-px my-[-0.2rem] rounded px-px py-[0.2rem] transition-colors duration-100 ease-in-out\">The following product is affected:<\/span>\u200b<\/p>\n<ul data-start=\"1113\" data-end=\"1323\">\n<li class=\"\" data-start=\"1113\" data-end=\"1213\">\n<p class=\"\" data-start=\"1115\" data-end=\"1213\"><strong data-start=\"1115\" data-end=\"1127\">Product:<\/strong> <span class=\"relative -mx-px my-[-0.2rem] rounded px-px py-[0.2rem] transition-colors duration-100 ease-in-out\">TOTOlink A3700R<\/span>\u200b<\/p>\n<\/li>\n<li class=\"\" data-start=\"1214\" data-end=\"1323\">\n<p class=\"\" data-start=\"1216\" data-end=\"1323\"><strong data-start=\"1216\" data-end=\"1237\">Firmware Version:<\/strong> <span class=\"relative -mx-px my-[-0.2rem] rounded px-px py-[0.2rem] transition-colors duration-100 ease-in-out\">9.1.2u.5822_B20200513<\/span>\u200b<\/p>\n<\/li>\n<\/ul>\n<p class=\"\" data-start=\"1325\" data-end=\"1349\"><strong data-start=\"1325\" data-end=\"1349\"><a href=\"https:\/\/www.ameeba.com\/blog\/microsoft-s-recent-patch-a-detailed-analysis-of-the-126-flaws-and-the-actively-exploited-windows-clfs-vulnerability\/\"  data-wpil-monitor-id=\"26156\">Exploitation Details<\/a><\/strong><\/p>\n<p class=\"\" data-start=\"1351\" data-end=\"1516\"><span class=\"relative -mx-px my-[-0.2rem] rounded px-px py-[0.2rem] transition-colors duration-100 ease-in-out\">The <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2023-47992-critical-buffer-overflow-vulnerability-exploit-in-freeimage-library\/\"  data-wpil-monitor-id=\"25583\">vulnerability can be exploited<\/a> remotely without authentication.<\/span> <span class=\"relative -mx-px my-[-0.2rem] rounded px-px py-[0.2rem] transition-colors duration-100 ease-in-out\">An attacker can send a specially crafted HTTP <a class=\"wpil_keyword_link\" href=\"https:\/\/www.ameeba.com\"   title=\"request\" data-wpil-keyword-link=\"linked\"  data-wpil-monitor-id=\"24364\">request<\/a> to the router&#8217;s web interface, targeting the <code data-start=\"99\" data-end=\"113\">setOpModeCfg<\/code> function.<\/span> <span class=\"relative -mx-px my-[-0.2rem] rounded px-px py-[0.2rem] transition-colors duration-100 ease-in-out\">Due to insufficient input validation, the <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2024-21773-critical-command-injection-vulnerability-in-tp-link-routers\/\"  data-wpil-monitor-id=\"26174\">router executes the injected commands<\/a> with root privileges, potentially compromising the entire device.<\/span>\u200b<\/p>\n<p class=\"\" data-start=\"1518\" data-end=\"1537\"><strong data-start=\"1518\" data-end=\"1537\">Potential Risks<\/strong><\/p>\n<ul data-start=\"1539\" data-end=\"1890\">\n<li class=\"\" data-start=\"1539\" data-end=\"1626\">\n<p class=\"\" data-start=\"1541\" data-end=\"1626\"><span class=\"relative -mx-px my-[-0.2rem] rounded px-px py-[0.2rem] transition-colors duration-100 ease-in-out\">Complete takeover of the router<\/span>\u200b<\/p>\n<\/li>\n<li class=\"\" data-start=\"1627\" data-end=\"1714\">\n<p class=\"\" data-start=\"1629\" data-end=\"1714\"><span class=\"relative -mx-px my-[-0.2rem] rounded px-px py-[0.2rem] transition-colors duration-100 ease-in-out\"><a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-31214-a-critical-network-traffic-interception-vulnerability-in-ios-and-ipados\/\"  data-wpil-monitor-id=\"47688\">Interception or redirection of network<\/a> traffic\u200b<\/p>\n<\/li>\n<li class=\"\" data-start=\"1715\" data-end=\"1802\">\n<p class=\"\" data-start=\"1717\" data-end=\"1802\"><span class=\"relative -mx-px my-[-0.2rem] rounded px-px py-[0.2rem] transition-colors duration-100 ease-in-out\">Deployment of malicious firmware or persistent backdoors<\/span>\u200b<\/p>\n<\/li>\n<li class=\"\" data-start=\"1803\" data-end=\"1890\">\n<p class=\"\" data-start=\"1805\" data-end=\"1890\"><span class=\"relative -mx-px my-[-0.2rem] rounded px-px py-[0.2rem] transition-colors duration-100 ease-in-out\">Use of the <a href=\"https:\/\/www.ameeba.com\/blog\/asus-routers-compromised-unraveling-the-sophisticated-hacking-campaign\/\"  data-wpil-monitor-id=\"54692\">compromised router<\/a> as a pivot point for attacks on connected devices\u200b<\/p>\n<\/li>\n<\/ul>\n<p class=\"\" data-start=\"1892\" data-end=\"1922\"><strong data-start=\"1892\" data-end=\"1922\">Mitigation Recommendations<\/strong><\/p>\n<ul data-start=\"1924\" data-end=\"2390\">\n<li class=\"\" data-start=\"1924\" data-end=\"2032\">\n<p class=\"\" data-start=\"1926\" data-end=\"2032\"><strong data-start=\"1926\" data-end=\"1946\">Firmware Update:<\/strong> <span class=\"relative -mx-px my-[-0.2rem] rounded px-px py-[0.2rem] transition-colors duration-100 ease-in-out\">Check TOTOlink&#8217;s official <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-29709-high-risk-file-upload-vulnerability-in-sourcecodester-company-website-cms-1-0\/\"  data-wpil-monitor-id=\"36847\">website or support channels for firmware updates addressing this vulnerability<\/a>.<\/span><\/p>\n<\/li>\n<li class=\"\" data-start=\"2033\" data-end=\"2151\">\n<p class=\"\" data-start=\"2035\" data-end=\"2151\"><strong data-start=\"2035\" data-end=\"2065\">Disable Remote Management:<\/strong> <span class=\"relative -mx-px my-[-0.2rem] rounded px-px py-[0.2rem] transition-colors duration-100 ease-in-out\">If <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-48126-php-remote-file-inclusion-vulnerability-in-g5theme-essential-real-estate\/\"  data-wpil-monitor-id=\"62128\">remote management is not essential<\/a>, disable it to reduce exposure.<\/span>\u200b<\/p>\n<\/li>\n<li class=\"\" data-start=\"2152\" data-end=\"2265\">\n<p class=\"\" data-start=\"2154\" data-end=\"2265\"><strong data-start=\"2154\" data-end=\"2179\">Network Segmentation:<\/strong> <span class=\"relative -mx-px my-[-0.2rem] rounded px-px py-[0.2rem] transition-colors duration-100 ease-in-out\">Place the router behind a firewall or within a segmented <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-2945-unveiling-the-system-access-vulnerability-in-network-security-protocols\/\"  data-wpil-monitor-id=\"27385\">network to limit access<\/a>.<\/span>\u200b<\/p>\n<\/li>\n<li class=\"\" data-start=\"2266\" data-end=\"2390\">\n<p class=\"\" data-start=\"2268\" data-end=\"2390\"><strong data-start=\"2268\" data-end=\"2304\">Monitor for Suspicious Activity:<\/strong> <span class=\"relative -mx-px my-[-0.2rem] rounded px-px py-[0.2rem] transition-colors duration-100 ease-in-out\">Regularly review logs and network traffic for signs of <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2023-5881-unauthorized-access-vulnerability-in-the-genie-company-aladdin-connect\/\"  data-wpil-monitor-id=\"34007\">unauthorized access<\/a> or anomalies.<\/span>\u200b<\/p>\n<\/li>\n<\/ul>\n<p class=\"\" data-start=\"2392\" data-end=\"2406\"><strong data-start=\"2392\" data-end=\"2406\">Conclusion<\/strong><\/p>\n<p class=\"\" data-start=\"2408\" data-end=\"2533\"><span class=\"relative -mx-px my-[-0.2rem] rounded px-px py-[0.2rem] transition-colors duration-100 ease-in-out\">CVE-2023-52030 poses a significant <a class=\"wpil_keyword_link\" href=\"https:\/\/ameeba.com\"   title=\"threat\" data-wpil-keyword-link=\"linked\"  data-wpil-monitor-id=\"24365\">threat<\/a> to users of the TOTOlink A3700R router with the specified firmware version.<\/span> <span class=\"relative -mx-px my-[-0.2rem] rounded px-px py-[0.2rem] transition-colors duration-100 ease-in-out\">Given the ease of exploitation and the potential impact, it&#8217;s imperative to apply the recommended mitigations promptly to <a class=\"wpil_keyword_link\" href=\"https:\/\/chat.ameeba.com\"   title=\"secure\" data-wpil-keyword-link=\"linked\"  data-wpil-monitor-id=\"24366\">secure<\/a> affected devices.<\/span>\u200b<\/p>\n<p class=\"\" data-start=\"2535\" data-end=\"2549\"><strong data-start=\"2535\" data-end=\"2549\">References<\/strong><\/p>\n<ul data-start=\"2551\" data-end=\"2726\">\n<li class=\"\" data-start=\"2551\" data-end=\"2638\">\n<p class=\"\" data-start=\"2553\" data-end=\"2638\"><span class=\"relative -mx-px my-[-0.2rem] rounded px-px py-[0.2rem] transition-colors duration-100 ease-in-out\"><a href=\"https:\/\/www.cvedetails.com\/cve\/CVE-2023-52030\/\" target=\"_new\" rel=\"noopener noreferrer\" data-start=\"0\" data-end=\"78\" data-is-last-node=\"\" data-is-only-node=\"\">CVE Details \u2013 CVE-2023-52030<\/a><\/span>\u200b<span class=\"\" data-state=\"closed\"><span class=\"ms-1 inline-flex max-w-full items-center relative top-[-0.094rem] animate-[show_150ms_ease-in]\"><a class=\"flex h-6 overflow-hidden rounded-xl px-2.5 text-[0.5625em] font-medium !text-token-text-secondary !bg-[#F4F4F4] dark:!bg-[#303030] transition-colors duration-150 ease-in-out\" href=\"https:\/\/www.cvedetails.com\/cve\/CVE-2023-52030\/?utm_source=chatgpt.com\" target=\"_blank\" rel=\"noopener\"><span class=\"relative start-0 bottom-0 flex h-full w-full items-center\"><span class=\"flex h-4 w-full items-center justify-between overflow-hidden\"><span class=\"max-w-full grow truncate overflow-hidden text-center\">CVE Database<\/span><\/span><\/span><\/a><\/span><\/span><\/p>\n<\/li>\n<li class=\"\" data-start=\"2639\" data-end=\"2726\">\n<p class=\"\" data-start=\"2641\" data-end=\"2726\"><span class=\"relative -mx-px my-[-0.2rem] rounded px-px py-[0.2rem] transition-colors duration-100 ease-in-out\"><a href=\"https:\/\/www.cve.org\/CVERecord?id=CVE-2023-52030\" target=\"_new\" rel=\"noopener noreferrer\" data-start=\"0\" data-end=\"75\" data-is-last-node=\"\" data-is-only-node=\"\">CVE.org \u2013 CVE-2023-52030<\/a><\/span><\/p>\n<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>Vulnerability Summary CVE ID: CVE-2023-52030\u200b Severity: Critical (CVSS 3.1 Score: 9.8)\u200b Attack Vector: Network Attack Complexity: Low\u200b Privileges Required: None\u200b User Interaction: None\u200b Impact: Remote Code Execution (RCE)\u200b CVE-2023-52030 is a critical remote code execution vulnerability identified in the TOTOlink A3700R router, specifically in firmware version 9.1.2u.5822_B20200513. The vulnerability resides in the setOpModeCfg function, which [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"om_disable_all_campaigns":false,"_monsterinsights_skip_tracking":false,"footnotes":""},"categories":[1],"tags":[],"vendor":[],"product":[],"attack_vector":[80],"asset_type":[],"severity":[],"exploit_status":[],"class_list":["post-14608","post","type-post","status-publish","format-standard","hentry","category-uncategorized","attack_vector-rce"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.4 - aioseo.com -->\n\t<meta name=\"description\" content=\"Vulnerability Summary CVE ID: CVE-2023-52030\u200b Severity: Critical (CVSS 3.1 Score: 9.8)\u200b Attack Vector: Network Attack Complexity: Low\u200b Privileges Required: None\u200b User Interaction: None\u200b Impact: Remote Code Execution (RCE)\u200b CVE-2023-52030 is a critical remote code execution vulnerability identified in the TOTOlink A3700R router, specifically in firmware version 9.1.2u.5822_B20200513. The vulnerability resides in the setOpModeCfg function, which\" \/>\n\t<meta name=\"robots\" content=\"max-image-preview:large\" \/>\n\t<meta name=\"author\" content=\"Ameeba\"\/>\n\t<link rel=\"canonical\" href=\"https:\/\/www.ameeba.com\/blog\/cve-2023-52030-critical-remote-code-execution-vulnerability-in-totolink-a3700r\/\" \/>\n\t\t<meta name=\"generator\" content=\"All in One SEO (AIOSEO) 5.0.4\" \/>\n\t\t<meta property=\"og:locale\" content=\"en_US\" \/>\n\t\t<meta property=\"og:site_name\" content=\"Ameeba Blog - Your Guide to a Safer Digital World.\" \/>\n\t\t<meta property=\"og:type\" content=\"article\" \/>\n\t\t<meta property=\"og:title\" content=\"CVE-2023-52030: Critical Remote Code Execution Vulnerability in TOTOlink A3700R - Ameeba Blog\" \/>\n\t\t<meta property=\"og:description\" content=\"Vulnerability Summary CVE ID: CVE-2023-52030\u200b Severity: Critical (CVSS 3.1 Score: 9.8)\u200b Attack Vector: Network Attack Complexity: Low\u200b Privileges Required: None\u200b User Interaction: None\u200b Impact: Remote Code Execution (RCE)\u200b CVE-2023-52030 is a critical remote code execution vulnerability identified in the TOTOlink A3700R router, specifically in firmware version 9.1.2u.5822_B20200513. The vulnerability resides in the setOpModeCfg function, which\" \/>\n\t\t<meta property=\"og:url\" content=\"https:\/\/www.ameeba.com\/blog\/cve-2023-52030-critical-remote-code-execution-vulnerability-in-totolink-a3700r\/\" \/>\n\t\t<meta property=\"og:image\" content=\"https:\/\/www.ameeba.com\/blog\/wp-content\/uploads\/2025\/02\/image-5.png\" \/>\n\t\t<meta property=\"og:image:secure_url\" content=\"https:\/\/www.ameeba.com\/blog\/wp-content\/uploads\/2025\/02\/image-5.png\" \/>\n\t\t<meta property=\"article:published_time\" content=\"2025-03-30T21:35:58+00:00\" \/>\n\t\t<meta property=\"article:modified_time\" content=\"2025-06-04T11:03:19+00:00\" \/>\n\t\t<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n\t\t<meta name=\"twitter:title\" content=\"CVE-2023-52030: Critical Remote Code Execution Vulnerability in TOTOlink A3700R - Ameeba Blog\" \/>\n\t\t<meta name=\"twitter:description\" content=\"Vulnerability Summary CVE ID: CVE-2023-52030\u200b Severity: Critical (CVSS 3.1 Score: 9.8)\u200b Attack Vector: Network Attack Complexity: Low\u200b Privileges Required: None\u200b User Interaction: None\u200b Impact: Remote Code Execution (RCE)\u200b CVE-2023-52030 is a critical remote code execution vulnerability identified in the TOTOlink A3700R router, specifically in firmware version 9.1.2u.5822_B20200513. 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