{"id":54335,"date":"2025-06-23T06:23:41","date_gmt":"2025-06-23T06:23:41","guid":{"rendered":""},"modified":"2025-07-03T11:40:46","modified_gmt":"2025-07-03T17:40:46","slug":"cve-2025-6162-critical-buffer-overflow-vulnerability-in-totolink-ex1200t-http-post-request-handler","status":"publish","type":"post","link":"https:\/\/www.ameeba.com\/blog\/cve-2025-6162-critical-buffer-overflow-vulnerability-in-totolink-ex1200t-http-post-request-handler\/","title":{"rendered":"<strong>CVE-2025-6162: Critical Buffer Overflow Vulnerability in TOTOLINK EX1200T HTTP POST Request Handler<\/strong>"},"content":{"rendered":"<p><strong>Overview<\/strong><\/p>\n<p>The cybersecurity community has identified a critical vulnerability in TOTOLINK EX1200T version 4.1.2cu.5232_B20210713, a widely used software. This vulnerability, tagged CVE-2025-6162, poses a significant risk as it can be exploited remotely, potentially compromising systems and leading to data leakage. Given the severity of the <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-40912-critical-vulnerability-in-cryptx-for-perl-allows-potential-system-compromise\/\"  data-wpil-monitor-id=\"60771\">vulnerability and its potential<\/a> impact, it is crucial to understand and mitigate it swiftly.<\/p>\n<p><strong>Vulnerability Summary<\/strong><\/p>\n<p>CVE ID: CVE-2025-6162<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-2025-5978-critical-vulnerability-in-tenda-fh1202-1-2-0-14-potentially-leading-to-system-compromise\/\"  data-wpil-monitor-id=\"61015\">Potential system<\/a> compromise or data leakage<\/p>\n<p><strong>Affected Products<\/strong><\/p><div id=\"ameeb-1984973588\" 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-2025-5908-critical-vulnerability-in-totolink-ex1200t-leads-to-buffer-overflow\/\"  data-wpil-monitor-id=\"60639\">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-2025-4387-arbitrary-file-upload-vulnerability-in-abandoned-cart-pro-for-woocommerce-plugin\/\"  data-wpil-monitor-id=\"60636\">vulnerability resides within an unknown functionality of the file<\/a> \/boafrm\/formMultiAP, a component of the HTTP POST Request Handler. The argument &#8216;submit-url&#8217; within the HTTP POST Request can be manipulated, leading to a <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-5909-critical-buffer-overflow-vulnerability-in-totolink-ex1200t\/\"  data-wpil-monitor-id=\"60654\">buffer overflow<\/a>. This <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-33064-heap-based-buffer-overflow-vulnerability-in-windows-routing-and-remote-access-service-rras\/\"  data-wpil-monitor-id=\"60842\">overflow condition can be exploited by a remote<\/a> attacker to execute arbitrary code on the system, potentially compromising the system or causing data leakage.<\/p>\n<p><strong>Conceptual Example Code<\/strong><\/p><div id=\"ameeb-2853830890\" 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>The following is a conceptual HTTP POST <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-6001-cross-site-request-forgery-vulnerability-in-virtuemart-product-image-upload-function\/\"  data-wpil-monitor-id=\"62143\">request that might be used to exploit the vulnerability<\/a>:<\/p>\n<pre><code class=\"\" data-line=\"\">POST \/boafrm\/formMultiAP HTTP\/1.1\nHost: target.example.com\nContent-Type: application\/x-www-form-urlencoded\nsubmit-url=http:\/\/malicious.example.com<\/code><\/pre>\n<p>In this example, the &#8216;submit-url&#8217; argument is manipulated to point to a malicious URL. When processed by the vulnerable system, it could lead to a <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-5907-critical-buffer-overflow-vulnerability-in-totolink-ex1200t\/\"  data-wpil-monitor-id=\"60659\">buffer overflow<\/a>, thereby compromising the system.<\/p>\n<p><strong>Mitigation Guidance<\/strong><\/p>\n<p>Immediate action is required to mitigate the risk <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-22236-minion-event-bus-authorization-bypass-vulnerability-posing-serious-security-threats\/\"  data-wpil-monitor-id=\"63348\">posed by this vulnerability<\/a>. Users of the affected versions of <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-5911-critical-vulnerability-in-totolink-ex1200t-leading-to-buffer-overflow\/\"  data-wpil-monitor-id=\"60663\">TOTOLINK EX1200T<\/a> should apply the vendor-provided patch as soon as possible. If the patch cannot be applied immediately, using a Web Application Firewall (WAF) or an Intrusion Detection System (IDS) can serve as a temporary mitigation measure. However, these are not long-term solutions and can only limit the potential damage. Therefore, it is still highly recommended to apply the patch for a comprehensive solution.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Overview The cybersecurity community has identified a critical vulnerability in TOTOLINK EX1200T version 4.1.2cu.5232_B20210713, a widely used software. This vulnerability, tagged CVE-2025-6162, poses a significant risk as it can be exploited remotely, potentially compromising systems and leading to data leakage. Given the severity of the vulnerability and its potential impact, it is crucial to understand [&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-54335","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\/54335","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=54335"}],"version-history":[{"count":10,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/54335\/revisions"}],"predecessor-version":[{"id":56913,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/54335\/revisions\/56913"}],"wp:attachment":[{"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/media?parent=54335"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/categories?post=54335"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/tags?post=54335"},{"taxonomy":"vendor","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/vendor?post=54335"},{"taxonomy":"product","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/product?post=54335"},{"taxonomy":"attack_vector","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/attack_vector?post=54335"},{"taxonomy":"asset_type","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/asset_type?post=54335"},{"taxonomy":"severity","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/severity?post=54335"},{"taxonomy":"exploit_status","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/exploit_status?post=54335"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}