{"id":37894,"date":"2025-05-13T19:36:00","date_gmt":"2025-05-13T19:36:00","guid":{"rendered":""},"modified":"2025-10-22T00:14:25","modified_gmt":"2025-10-22T06:14:25","slug":"cve-2025-4368-critical-buffer-overflow-vulnerability-in-tenda-ac8-16-03-34-06","status":"publish","type":"post","link":"https:\/\/www.ameeba.com\/blog\/cve-2025-4368-critical-buffer-overflow-vulnerability-in-tenda-ac8-16-03-34-06\/","title":{"rendered":"<strong>CVE-2025-4368: Critical Buffer Overflow Vulnerability in Tenda AC8 16.03.34.06<\/strong>"},"content":{"rendered":"<p><strong>Overview<\/strong><\/p>\n<p>The CVE-2025-4368 is a crucial cybersecurity vulnerability identified in the Tenda AC8 16.03.34.06 router. This vulnerability, classified as critical, is particularly concerning because it allows potential attackers to launch a system compromise or data leakage remotely. With the exploit now disclosed to the public, the threat is more significant, making it imperative for users and administrators utilizing this device to take immediate action to mitigate the risks.<\/p>\n<p><strong><a class=\"wpil_keyword_link\" href=\"https:\/\/ameeba.com\"   title=\"Vulnerability\" data-wpil-keyword-link=\"linked\"  data-wpil-monitor-id=\"42642\">Vulnerability<\/a> Summary<\/strong><\/p>\n<p>CVE ID: CVE-2025-4368<br \/>\nSeverity: Critical; CVSS Score: 8.8<br \/>\nAttack Vector: Network<br \/>\nPrivileges Required: None<br \/>\nUser Interaction: None<br \/>\nImpact: Potential system compromise or <a class=\"wpil_keyword_link\" href=\"https:\/\/chat.ameeba.com\"   title=\"data\" data-wpil-keyword-link=\"linked\"  data-wpil-monitor-id=\"42643\">data<\/a> leakage<\/p>\n<p><strong>Affected Products<\/strong><\/p><div id=\"ameeb-1568306079\" class=\"ameeb-content-2 ameeb-entity-placement\"><div style=\"border-left: 4px solid #555; padding-left: 20px; margin: 48px 0; font-family: Roboto, sans-serif; color: #ffffff; line-height: 1.6; max-width: 700px;\">\r\n  <h2 style=\"margin-top: 0; font-size: 20px; font-weight: 600; display: flex; align-items: center;\">\r\n    <a href=\"https:\/\/www.ameeba.com\/chat\" style=\"display: inline-flex; align-items: center; margin-right: 8px;\">\r\n      <img decoding=\"async\" src=\"https:\/\/www.ameeba.com\/blog\/wp-content\/uploads\/2025\/10\/Best-App-icon-Ameeba.png\" alt=\"Ameeba Chat Icon\" style=\"width: 40px; height: 40px;\" \/>\r\n    <\/a>\r\n    A new way to communicate\r\n  <\/h2>\r\n\r\n  <p style=\"margin-bottom: 12px;\">\r\n    Ameeba Chat is built on encrypted identity, not personal profiles.\r\n  <\/p>\r\n\r\n  <p style=\"margin-bottom: 16px;\">\r\n    Message, call, share files, and coordinate with identities kept separate.\r\n  <\/p>\r\n\r\n  <ul style=\"list-style: none; padding-left: 0; margin-bottom: 20px;\">\r\n    <li>\u2022 Encrypted identity<\/li>\r\n    <li>\u2022 Ameeba Chat authenticates access<\/li>\r\n    <li>\u2022 Aliases and categories<\/li>\r\n    <li>\u2022 End-to-end encrypted chat, calls, and files<\/li>\r\n    <li>\u2022 Secure notes for sensitive information<\/li>\r\n  <\/ul>\r\n\r\n  <p style=\"font-style: italic; font-weight: 600; margin-bottom: 24px;\">\r\n    Private communication, rethought.\r\n  <\/p>\r\n\r\n  <div style=\"display: flex; flex-wrap: wrap; gap: 12px;\">\r\n    <a href=\"https:\/\/www.ameeba.com\/chat\/download\" style=\"background-color: #ffffff; color: #000000; padding: 10px 20px; text-decoration: none; border-radius: 6px; font-weight: 500;\">Download Ameeba Chat<\/a>\r\n    <a href=\"https:\/\/www.ameeba.com\/chat\" style=\"border: 1px solid #ffffff; color: #ffffff; padding: 10px 20px; text-decoration: none; border-radius: 6px; font-weight: 500;\">Learn More<\/a>\r\n  <\/div>\r\n<\/div>\r\n<\/div>\n<p>Product | Affected Versions<\/p>\n<p><a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-5799-critical-buffer-overflow-vulnerability-in-tenda-ac8-16-03-34-09\/\"  data-wpil-monitor-id=\"60120\">Tenda AC8<\/a> | 16.03.34.06<\/p>\n<p><strong>How the Exploit Works<\/strong><\/p>\n<p>The <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2024-13418-critical-arbitrary-file-upload-vulnerability-in-multiple-wordpress-plugins-and-themes\/\"  data-wpil-monitor-id=\"42936\">vulnerability lies in the function formGetRouterStatus of the file<\/a> \/goform\/MtuSetMacWan. An attacker can manipulate the argument &#8216;shareSpeed&#8217; leading to <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2023-38583-stack-based-buffer-overflow-vulnerability-in-gtkwave-3-3-115\/\"  data-wpil-monitor-id=\"43041\">buffer overflow<\/a>. Buffer <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2023-36916-integer-overflow-vulnerabilities-in-gtkwave-s-fst-reader\/\"  data-wpil-monitor-id=\"42577\">overflow is a common software vulnerability<\/a> where a program overruns the buffer&#8217;s boundary and overwrites adjacent memory locations. This compromise can cause unexpected behavior such as errors, crashes, and in the worst-case scenario, the execution of harmful instructions.<\/p>\n<p><strong>Conceptual Example Code<\/strong><\/p><div id=\"ameeb-559622514\" class=\"ameeb-content ameeb-entity-placement\"><div class=\"poptin-embedded\" data-id=\"f6b387694f681\"><\/div>\r\n\r\n\r\n\r\n\r\n\r\n<\/div>\n<p>Here is a conceptual example of how the <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-47462-cross-site-request-forgery-vulnerability-in-ohidul-islam-challan-leading-to-privilege-escalation\/\"  data-wpil-monitor-id=\"43676\">vulnerability might be exploited in a HTTP request:<\/a><\/p>\n<pre><code class=\"\" data-line=\"\">POST \/goform\/MtuSetMacWan HTTP\/1.1\nHost: &lt;router_ip&gt;\nContent-Type: application\/x-www-form-urlencoded\nshareSpeed=&lt;malicious_payload&gt;<\/code><\/pre>\n<p>In the above example, `<router_ip>` is the IP address of the <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-46627-weak-credentials-vulnerability-in-tenda-rx2-pro\/\"  data-wpil-monitor-id=\"42864\">vulnerable Tenda<\/a> router, and `<malicious_payload>` represents the manipulated &#8216;shareSpeed&#8217; argument designed to trigger the buffer overflow.<\/p>\n<p><strong>Further Mitigation Guidance<\/strong><\/p>\n<p>The recommended mitigation step is to apply the vendor&#8217;s patch. However, if the patch is not immediately available or cannot be applied for any reason, the use of a Web Application Firewall (WAF) or <a class=\"wpil_keyword_link\" href=\"https:\/\/www.ameeba.com\"   title=\"Intrusion Detection System\" data-wpil-keyword-link=\"linked\"  data-wpil-monitor-id=\"42641\">Intrusion Detection System<\/a> (IDS) can serve as a temporary mitigation measure. These <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2022-43110-critical-unauthenticated-remote-system-configuration-vulnerability-in-voltronic-power-viewpower-powershield-netguard\/\"  data-wpil-monitor-id=\"83127\">systems can be configured<\/a> to block or alert on traffic patterns that match the exploit. However, this is not a full-proof solution and is only recommended until the vendor&#8217;s patch can be applied. Regularly <a href=\"https:\/\/www.ameeba.com\/blog\/nist-updates-privacy-framework-new-cybersecurity-guidelines-and-their-implications\/\"  data-wpil-monitor-id=\"47430\">updating software and maintaining proper cybersecurity<\/a> hygiene can help prevent future vulnerabilities.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Overview The CVE-2025-4368 is a crucial cybersecurity vulnerability identified in the Tenda AC8 16.03.34.06 router. This vulnerability, classified as critical, is particularly concerning because it allows potential attackers to launch a system compromise or data leakage remotely. With the exploit now disclosed to the public, the threat is more significant, making it imperative for users [&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,"footnotes":""},"categories":[1],"tags":[],"vendor":[],"product":[],"attack_vector":[86],"asset_type":[],"severity":[],"exploit_status":[],"class_list":["post-37894","post","type-post","status-publish","format-standard","hentry","category-uncategorized","attack_vector-buffer-overflow"],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/37894","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/comments?post=37894"}],"version-history":[{"count":9,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/37894\/revisions"}],"predecessor-version":[{"id":75665,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/37894\/revisions\/75665"}],"wp:attachment":[{"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/media?parent=37894"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/categories?post=37894"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/tags?post=37894"},{"taxonomy":"vendor","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/vendor?post=37894"},{"taxonomy":"product","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/product?post=37894"},{"taxonomy":"attack_vector","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/attack_vector?post=37894"},{"taxonomy":"asset_type","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/asset_type?post=37894"},{"taxonomy":"severity","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/severity?post=37894"},{"taxonomy":"exploit_status","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/exploit_status?post=37894"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}