{"id":53869,"date":"2025-06-21T03:58:56","date_gmt":"2025-06-21T03:58:56","guid":{"rendered":""},"modified":"2025-08-30T00:12:42","modified_gmt":"2025-08-30T06:12:42","slug":"cve-2025-6130-critical-buffer-overflow-vulnerability-in-totolink-ex1200t-4-1-2cu-5232-b20210713","status":"publish","type":"post","link":"https:\/\/www.ameeba.com\/blog\/cve-2025-6130-critical-buffer-overflow-vulnerability-in-totolink-ex1200t-4-1-2cu-5232-b20210713\/","title":{"rendered":"<strong>CVE-2025-6130: Critical Buffer Overflow Vulnerability in TOTOLINK EX1200T 4.1.2cu.5232_B20210713<\/strong>"},"content":{"rendered":"<p><strong>Overview<\/strong><\/p>\n<p>A critical security vulnerability, labeled as CVE-2025-6130, has been identified in TOTOLINK EX1200T 4.1.2cu.5232_B20210713 that can potentially compromise the system or lead to data leakage. This vulnerability is of particular concern due to its ability to be exploited remotely, posing a significant risk to all systems utilizing the vulnerable version of this software. This blog <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-6162-critical-buffer-overflow-vulnerability-in-totolink-ex1200t-http-post-request-handler\/\"  data-wpil-monitor-id=\"62240\">post aims to provide an in-depth understanding of the vulnerability<\/a>, its potential impact, and the necessary steps to mitigate it.<\/p>\n<p><strong>Vulnerability Summary<\/strong><\/p>\n<p>CVE ID: CVE-2025-6130<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-2025-5901-buffer-overflow-vulnerability-in-totolink-t10-leading-to-potential-system-compromise\/\"  data-wpil-monitor-id=\"60499\">Potential system<\/a> compromise and data leakage<\/p>\n<p><strong>Affected Products<\/strong><\/p><div id=\"ameeb-105910816\" 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=\"60640\">TOTOLINK EX1200T<\/a> | 4.1.2cu.5232_B20210713<\/p>\n<p><strong>How the Exploit Works<\/strong><\/p>\n<p>The CVE-2025-6130 <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-55157-vim-text-editor-use-after-free-vulnerability-resulting-in-memory-corruption\/\"  data-wpil-monitor-id=\"74988\">vulnerability is a result<\/a> of insufficient boundary checks in the HTTP POST Request Handler during processing of the file \/boafrm\/formStats. This oversight allows an attacker to trigger a <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-5849-critical-buffer-overflow-vulnerability-in-tenda-ac15\/\"  data-wpil-monitor-id=\"60192\">buffer overflow<\/a> by sending an oversized HTTP POST request. The <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-5839-critical-buffer-overflow-vulnerability-in-tenda-ac9-15-03-02-13\/\"  data-wpil-monitor-id=\"60199\">overflow can overwrite critical<\/a> data structures or inject malicious code, leading to potential system compromise or data leakage. The attack can be initiated <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-34509-hardcoded-user-account-in-sitecore-xm-and-xp-enabling-unauthenticated-remote-access\/\"  data-wpil-monitor-id=\"62790\">remotely without any user<\/a> interaction or privileges, making this vulnerability extremely dangerous.<\/p>\n<p><strong>Conceptual Example Code<\/strong><\/p><div id=\"ameeb-2557477214\" 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 illustrating how a <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-40912-critical-vulnerability-in-cryptx-for-perl-allows-potential-system-compromise\/\"  data-wpil-monitor-id=\"60790\">potential HTTP POST request might exploit this vulnerability<\/a>:<\/p>\n<pre><code class=\"\" data-line=\"\">POST \/boafrm\/formStats HTTP\/1.1\nHost: target.example.com\nContent-Length: 100000\n{ &quot;malicious_payload&quot;: &quot;A&quot;.repeat(100000) }<\/code><\/pre>\n<p>In this example, the payload length is significantly larger than expected, leading to a <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-5850-critical-remote-buffer-overflow-vulnerability-in-tenda-ac15\/\"  data-wpil-monitor-id=\"60194\">buffer overflow<\/a> when the server attempts to process the request.<\/p>\n<p><strong>Mitigation Guidance<\/strong><\/p>\n<p>The best course of action to <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-39486-rankie-sql-injection-vulnerability-and-mitigation-measures\/\"  data-wpil-monitor-id=\"62791\">mitigate this vulnerability<\/a> is to apply the vendor patch as soon as it is available. In situations where applying the patch immediately is not feasible, using a Web Application Firewall (WAF) or an Intrusion Detection System (IDS) as a temporary measure can help minimize the risk. These mechanisms can be configured to <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-45984-critical-command-injection-vulnerability-detected-in-blink-routers\/\"  data-wpil-monitor-id=\"61363\">detect and block oversized HTTP POST requests to the vulnerable<\/a> endpoint, providing a temporary layer of protection until the patch is applied.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Overview A critical security vulnerability, labeled as CVE-2025-6130, has been identified in TOTOLINK EX1200T 4.1.2cu.5232_B20210713 that can potentially compromise the system or lead to data leakage. This vulnerability is of particular concern due to its ability to be exploited remotely, posing a significant risk to all systems utilizing the vulnerable version of this software. This [&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-53869","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\/53869","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=53869"}],"version-history":[{"count":10,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/53869\/revisions"}],"predecessor-version":[{"id":67627,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/53869\/revisions\/67627"}],"wp:attachment":[{"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/media?parent=53869"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/categories?post=53869"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/tags?post=53869"},{"taxonomy":"vendor","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/vendor?post=53869"},{"taxonomy":"product","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/product?post=53869"},{"taxonomy":"attack_vector","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/attack_vector?post=53869"},{"taxonomy":"asset_type","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/asset_type?post=53869"},{"taxonomy":"severity","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/severity?post=53869"},{"taxonomy":"exploit_status","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/exploit_status?post=53869"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}