{"id":52961,"date":"2025-06-17T08:20:28","date_gmt":"2025-06-17T08:20:28","guid":{"rendered":""},"modified":"2025-08-09T05:14:48","modified_gmt":"2025-08-09T11:14:48","slug":"cve-2025-5908-critical-vulnerability-in-totolink-ex1200t-leads-to-buffer-overflow","status":"publish","type":"post","link":"https:\/\/www.ameeba.com\/blog\/cve-2025-5908-critical-vulnerability-in-totolink-ex1200t-leads-to-buffer-overflow\/","title":{"rendered":"<strong>CVE-2025-5908: Critical Vulnerability in TOTOLINK EX1200T Leads to Buffer Overflow<\/strong>"},"content":{"rendered":"<p><strong>Overview<\/strong><\/p>\n<p>A critical vulnerability has been discovered within TOTOLINK EX1200T, specifically in versions up to 4.1.2cu.5232_B20210713. This vulnerability, identified as CVE-2025-5908, is of utmost significance as it directly impacts the HTTP POST Request Handler component, leading to a buffer overflow. The gravity of the situation is compounded by the fact that this exploit has been publicly disclosed and can be initiated remotely, thus posing a significant <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2024-25178-critical-luajit-vulnerability-puts-systems-at-risk-of-compromise\/\"  data-wpil-monitor-id=\"70609\">risk to all systems<\/a> using the affected versions.<br \/>\nThe repercussions of this vulnerability are grave, as it opens up the <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-31222-potential-privilege-elevation-and-system-compromise-vulnerability\/\"  data-wpil-monitor-id=\"59679\">potential for system compromise<\/a> and data leakage. Therefore, it is crucial for cybersecurity professionals and <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-3365-path-traversal-vulnerability-leading-to-system-compromise\/\"  data-wpil-monitor-id=\"59448\">system administrators to understand the nature of this vulnerability<\/a> and take appropriate measures to mitigate its impact.<\/p>\n<p><strong>Vulnerability Summary<\/strong><\/p>\n<p>CVE ID: CVE-2025-5908<br \/>\nSeverity: Critical, CVSS Score 8.8<br \/>\nAttack Vector: Network<br \/>\nPrivileges Required: None<br \/>\nUser Interaction: None<br \/>\nImpact: <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-21475-critical-memory-corruption-vulnerability-leading-to-potential-system-compromise\/\"  data-wpil-monitor-id=\"59905\">Potential system<\/a> compromise or data leakage<\/p>\n<p><strong>Affected Products<\/strong><\/p><div id=\"ameeb-763355467\" 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: 720px;\">\r\n  <h2 style=\"margin-top: 0; font-size: 22px; font-weight: 600; display: flex; align-items: center; letter-spacing: -0.02em;\">\r\n    <a href=\"https:\/\/www.ameeba.com\/chat\" style=\"display: inline-flex; align-items: center; margin-right: 10px;\">\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: 42px; height: 42px;\" \/>\r\n    <\/a>\r\n    Share secrets securely\r\n  <\/h2>\r\n\r\n  <p style=\"margin-bottom: 14px; color: #d1d5db;\">\r\n    Ameeba is private infrastructure for communication and sensitive work built on encrypted identity instead of exposed corporate identity systems.\r\n  <\/p>\r\n\r\n  <p style=\"margin-bottom: 18px; color: #a1a1aa;\">\r\n    Passwords, credentials, confidential files, screenshots, internal discussions, sensitive AI context, and private coordination should not become exposed across ordinary communication platforms.\r\n  <\/p>\r\n\r\n  <ul style=\"list-style: none; padding-left: 0; margin-bottom: 24px; color: #e4e4e7;\">\r\n    <li style=\"margin-bottom: 8px;\">\u2022 Encrypted identity<\/li>\r\n    <li style=\"margin-bottom: 8px;\">\u2022 Private Spaces for organizations and teams<\/li>\r\n    <li style=\"margin-bottom: 8px;\">\u2022 End-to-end encrypted chat, calls, files, and notes<\/li>\r\n    <li style=\"margin-bottom: 8px;\">\u2022 Sensitive AI work and protected collaboration<\/li>\r\n    <li>\u2022 Built for information that cannot leak<\/li>\r\n  <\/ul>\r\n\r\n  <p style=\"font-style: italic; font-weight: 600; margin-bottom: 24px; color: #ffffff;\">\r\n    Our mission is to secure human work alongside AI.\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: 8px; font-weight: 500;\">\r\n      Download Ameeba\r\n    <\/a>\r\n\r\n    <a href=\"https:\/\/www.ameeba.com\/chat\" style=\"border: 1px solid #ffffff; color: #ffffff; padding: 10px 20px; text-decoration: none; border-radius: 8px; font-weight: 500;\">\r\n      Learn More\r\n    <\/a>\r\n  <\/div>\r\n<\/div><\/div>\n<p>Product | Affected Versions<\/p>\n<p><a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-5793-critical-buffer-overflow-vulnerability-in-totolink-ex1200t-4-1-2cu-5232-b20210713\/\"  data-wpil-monitor-id=\"59975\">TOTOLINK EX1200T<\/a> | Up to 4.1.2cu.5232_B20210713<\/p>\n<p><strong>How the Exploit Works<\/strong><\/p>\n<p>The <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-5671-critical-buffer-overflow-vulnerability-in-totolink-n302r-plus-http-post-request-handler\/\"  data-wpil-monitor-id=\"59486\">vulnerability resides in the HTTP POST Request<\/a> Handler&#8217;s processing of the file \/boafrm\/formIpQoS. An attacker can manipulate this process to cause a <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-5607-critical-buffer-overflow-vulnerability-in-tenda-ac18\/\"  data-wpil-monitor-id=\"59365\">buffer overflow<\/a>. A <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-5572-stack-based-buffer-overflow-vulnerability-in-d-link-dcs-932l-2-18-01\/\"  data-wpil-monitor-id=\"59369\">buffer overflow<\/a> occurs when more data is written to a buffer than it can hold. This <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2024-49844-memory-corruption-vulnerability-in-playready-trusted-application\/\"  data-wpil-monitor-id=\"59370\">vulnerability allows an attacker to overwrite adjacent memory<\/a> locations, potentially leading to the execution of arbitrary code or a Denial of Service (DoS) state.<\/p>\n<p><strong>Conceptual Example Code<\/strong><\/p><div id=\"ameeb-1475747163\" 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>Below is a conceptual example of how the vulnerability might be exploited.<\/p>\n<pre><code class=\"\" data-line=\"\">POST \/boafrm\/formIpQoS HTTP\/1.1\nHost: target.example.com\nContent-Type: application\/x-www-form-urlencoded\npayload=&lt;Buffer overflow inducing payload here&gt;<\/code><\/pre>\n<p>In this example, the malicious payload is designed to induce a buffer overflow in \/boafrm\/formIpQoS, potentially leading to unauthorized <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-1329-local-user-arbitrary-code-execution-vulnerability-in-ibm-cics-tx\/\"  data-wpil-monitor-id=\"59387\">code execution<\/a> or a system crash.<\/p>\n<p><strong>Mitigation Measures<\/strong><\/p>\n<p>The primary mitigation measure is to apply the vendor patch as soon as it becomes available. If the patch is not yet available, a Web Application Firewall (WAF) or an Intrusion Detection System (IDS) can be used as temporary mitigation. These <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-5853-critical-vulnerability-in-tenda-ac6-router-may-lead-to-system-compromise\/\"  data-wpil-monitor-id=\"60027\">systems can detect and block attempts to exploit this vulnerability<\/a>. Regardless of the approach, it is necessary to take immediate action to prevent <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-5901-buffer-overflow-vulnerability-in-totolink-t10-leading-to-potential-system-compromise\/\"  data-wpil-monitor-id=\"60502\">potential system<\/a> compromise or data leakage.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Overview A critical vulnerability has been discovered within TOTOLINK EX1200T, specifically in versions up to 4.1.2cu.5232_B20210713. This vulnerability, identified as CVE-2025-5908, is of utmost significance as it directly impacts the HTTP POST Request Handler component, leading to a buffer overflow. The gravity of the situation is compounded by the fact that this exploit has been [&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-52961","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\/52961","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=52961"}],"version-history":[{"count":12,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/52961\/revisions"}],"predecessor-version":[{"id":63279,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/52961\/revisions\/63279"}],"wp:attachment":[{"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/media?parent=52961"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/categories?post=52961"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/tags?post=52961"},{"taxonomy":"vendor","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/vendor?post=52961"},{"taxonomy":"product","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/product?post=52961"},{"taxonomy":"attack_vector","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/attack_vector?post=52961"},{"taxonomy":"asset_type","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/asset_type?post=52961"},{"taxonomy":"severity","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/severity?post=52961"},{"taxonomy":"exploit_status","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/exploit_status?post=52961"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}