{"id":22486,"date":"2025-04-13T03:00:30","date_gmt":"2025-04-13T03:00:30","guid":{"rendered":""},"modified":"2025-09-07T11:38:03","modified_gmt":"2025-09-07T17:38:03","slug":"cve-2024-0577-critical-vulnerability-in-totolink-lr1200gb-router-allows-potential-remote-exploitation","status":"publish","type":"post","link":"https:\/\/www.ameeba.com\/blog\/cve-2024-0577-critical-vulnerability-in-totolink-lr1200gb-router-allows-potential-remote-exploitation\/","title":{"rendered":"<strong>CVE-2024-0577: Critical Vulnerability in Totolink LR1200GB Router Allows Potential Remote Exploitation<\/strong>"},"content":{"rendered":"<p><strong>Overview<\/strong><\/p>\n<p>A critical vulnerability has been discovered in Totolink&#8217;s LR1200GB 9.1.0u.6619_B20230130 routers, having the potential to affect millions of devices worldwide. This vulnerability, identified as CVE-2024-0577, could allow a remote attacker to compromise the system and potentially access sensitive data. Given the <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2024-22611-critical-exploit-in-openerm-posing-severe-security-risks\/\"  data-wpil-monitor-id=\"26823\">severity of this exploit<\/a> and its potential impact, it&#8217;s crucial for organizations and individuals using this router model to understand the risk and apply necessary security measures.<\/p>\n<p><strong>Vulnerability Summary<\/strong><\/p>\n<p>CVE ID: CVE-2024-0577<br \/>\nSeverity: Critical (CVSS: 8.8)<br \/>\nAttack Vector: Network<br \/>\nPrivileges Required: None<br \/>\nUser Interaction: None<br \/>\nImpact: <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2024-0573-critical-vulnerability-in-totolink-lr1200gb-leading-to-potential-system-compromise\/\"  data-wpil-monitor-id=\"29021\">Potential system<\/a> compromise or data leakage<\/p>\n<p><strong>Affected Products<\/strong><\/p><div id=\"ameeb-3520363096\" 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-2024-0572-critical-vulnerability-in-totolink-lr1200gb-leading-to-system-compromise\/\"  data-wpil-monitor-id=\"28967\">Totolink LR1200GB<\/a> | 9.1.0u.6619_B20230130<\/p>\n<p><strong>How the Exploit Works<\/strong><\/p>\n<p>This <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-2780-critical-arbitrary-file-upload-vulnerability-in-woffice-core-plugin-for-wordpress\/\"  data-wpil-monitor-id=\"27343\">vulnerability lies in the setLanguageCfg function of the \/cgi-bin\/cstecgi.cgi file<\/a>. The improper handling of the &#8216;lang&#8217; argument in the function results in a stack-based <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2023-40714-critical-buffer-overflow-vulnerability-in-iot-devices\/\"  data-wpil-monitor-id=\"25819\">buffer overflow vulnerability<\/a>. This allows an attacker to manipulate the argument to <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2023-49589-the-critical-remote-code-execution-vulnerability-targeting-web-based-applications\/\"  data-wpil-monitor-id=\"26025\">execute arbitrary code<\/a> or cause a denial of service. Since the <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2023-48263-unauthenticated-remote-attack-leading-to-dos-and-potential-rce\/\"  data-wpil-monitor-id=\"34344\">attack can be initiated remotely<\/a>, the vulnerability presents an elevated risk.<\/p>\n<p><strong>Conceptual Example Code<\/strong><\/p><div id=\"ameeb-2078298553\" 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>An <a href=\"https:\/\/www.ameeba.com\/blog\/unmasking-tcesb-malware-a-deep-analysis-of-active-attacks-exploiting-eset-security-scanner\/\"  data-wpil-monitor-id=\"26588\">attacker could exploit<\/a> this vulnerability by sending a malicious HTTP POST request to the affected router. Below is a theoretical example of how such a request might look:<\/p>\n<pre><code class=\"\" data-line=\"\">POST \/cgi-bin\/cstecgi.cgi HTTP\/1.1\nHost: &lt;Router IP&gt;\nContent-Type: application\/x-www-form-urlencoded\nlang=`python -c &#039;print &quot;A&quot;*6000&#039;`<\/code><\/pre>\n<p>In this example, the &#8216;lang&#8217; parameter is filled with a large number of &#8216;A&#8217; characters. This could cause a stack-based <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2023-44250-critical-buffer-overflow-vulnerability-exploit\/\"  data-wpil-monitor-id=\"25822\">buffer overflow<\/a>, allowing an attacker to execute arbitrary code or cause a denial of service.<\/p>\n<p><strong>Mitigation<\/strong><\/p>\n<p>The most effective solution is to apply a vendor-supplied patch as soon as it becomes available. In the meantime, a Web Application Firewall (WAF) or Intrusion Detection System (IDS) can provide temporary mitigation by protecting against suspicious HTTP requests. This, however, is only a stop-gap measure and may not fully protect against all <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2024-7457-macos-authorization-model-exploit-leading-to-potential-mitm-attacks\/\"  data-wpil-monitor-id=\"79944\">potential exploits<\/a>. Regularly monitoring network traffic and system logs for suspicious <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=\"26125\">activity can also help detect any attempts to exploit<\/a> this vulnerability.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Overview A critical vulnerability has been discovered in Totolink&#8217;s LR1200GB 9.1.0u.6619_B20230130 routers, having the potential to affect millions of devices worldwide. This vulnerability, identified as CVE-2024-0577, could allow a remote attacker to compromise the system and potentially access sensitive data. Given the severity of this exploit and its potential impact, it&#8217;s crucial for organizations and [&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":[86,87],"asset_type":[],"severity":[],"exploit_status":[],"class_list":["post-22486","post","type-post","status-publish","format-standard","hentry","category-uncategorized","attack_vector-buffer-overflow","attack_vector-dos"],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/22486","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=22486"}],"version-history":[{"count":12,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/22486\/revisions"}],"predecessor-version":[{"id":72376,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/22486\/revisions\/72376"}],"wp:attachment":[{"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/media?parent=22486"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/categories?post=22486"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/tags?post=22486"},{"taxonomy":"vendor","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/vendor?post=22486"},{"taxonomy":"product","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/product?post=22486"},{"taxonomy":"attack_vector","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/attack_vector?post=22486"},{"taxonomy":"asset_type","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/asset_type?post=22486"},{"taxonomy":"severity","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/severity?post=22486"},{"taxonomy":"exploit_status","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/exploit_status?post=22486"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}