{"id":52853,"date":"2025-06-17T10:23:21","date_gmt":"2025-06-17T10:23:21","guid":{"rendered":""},"modified":"2025-09-08T04:18:53","modified_gmt":"2025-09-08T10:18:53","slug":"cve-2025-5905-critical-buffer-overflow-vulnerability-in-totolink-t10","status":"publish","type":"post","link":"https:\/\/www.ameeba.com\/blog\/cve-2025-5905-critical-buffer-overflow-vulnerability-in-totolink-t10\/","title":{"rendered":"<strong>CVE-2025-5905: Critical Buffer Overflow Vulnerability in TOTOLINK T10<\/strong>"},"content":{"rendered":"<p><strong>Overview<\/strong><\/p>\n<p>The Common Vulnerabilities and Exposures (CVE) system has logged a critical vulnerability, identified as CVE-2025-5905, within the TOTOLINK T10 4.1.8cu.5207. This vulnerability is particularly concerning due to the potential for remote system compromise and data leakage. Any individual or organization using the affected <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=\"60504\">TOTOLINK T10<\/a> version is at risk, highlighting the necessity of immediate action to mitigate the threat.<\/p>\n<p><strong>Vulnerability Summary<\/strong><\/p>\n<p>CVE ID: CVE-2025-5905<br \/>\nSeverity: Critical (CVSS: 8.8)<br \/>\nAttack Vector: Network<br \/>\nPrivileges Required: None<br \/>\nUser Interaction: None<br \/>\nImpact: Remote <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-31222-potential-privilege-elevation-and-system-compromise-vulnerability\/\"  data-wpil-monitor-id=\"59682\">system compromise and potential<\/a> data leakage<\/p>\n<p><strong>Affected Products<\/strong><\/p><div id=\"ameeb-495046542\" 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-2025-5903-critical-buffer-overflow-vulnerability-in-totolink-t10-4-1-8cu-5207\/\"  data-wpil-monitor-id=\"60574\">TOTOLINK T10<\/a> | 4.1.8cu.5207<\/p>\n<p><strong>How the Exploit Works<\/strong><\/p>\n<p>The <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-49661-untrusted-pointer-dereference-vulnerability-in-windows-ancillary-function-driver-for-winsock\/\"  data-wpil-monitor-id=\"80395\">vulnerability is located in the &#8216;setWiFiRepeaterCfg&#8217; function<\/a> of the &#8216;\/cgi-bin\/cstecgi.cgi&#8217; file of the POST request handler component. A <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-5622-critical-buffer-overflow-vulnerability-in-d-link-dir-816-1-10cnb05\/\"  data-wpil-monitor-id=\"59258\">buffer overflow<\/a> condition arises when the &#8216;Password&#8217; argument is manipulated in a particular way. <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-5624-critical-stack-based-buffer-overflow-vulnerability-in-d-link-dir-816-1-10cnb05\/\"  data-wpil-monitor-id=\"59215\">Buffer overflow vulnerabilities<\/a> occur when more data is put into a buffer than it can handle, causing the extra data to overflow into adjacent memory. This overflow can overwrite other data, leading to erratic program behavior, crashes, or even the <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-1329-local-user-arbitrary-code-execution-vulnerability-in-ibm-cics-tx\/\"  data-wpil-monitor-id=\"59389\">execution of malicious code<\/a>.<\/p>\n<p><strong>Conceptual Example Code<\/strong><\/p><div id=\"ameeb-1076357293\" 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 <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=\"59475\">vulnerability might be exploited in an HTTP request<\/a>:<\/p>\n<pre><code class=\"\" data-line=\"\">POST \/cgi-bin\/cstecgi.cgi HTTP\/1.1\nHost: target.example.com\nContent-Type: application\/x-www-form-urlencoded\nfunc=setWiFiRepeaterCfg&amp;Password=a%20very%20long%20string%20that%20causes%20buffer%20overflow<\/code><\/pre>\n<p>In this example, a malicious actor sends a <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-5739-critical-buffer-overflow-vulnerability-in-totolink-x15-http-post-request-handler\/\"  data-wpil-monitor-id=\"59789\">POST request to the vulnerable<\/a> endpoint, including an excessively long string as the &#8216;Password&#8217; argument. This string <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-5608-critical-remote-buffer-overflow-vulnerability-in-tenda-ac18\/\"  data-wpil-monitor-id=\"59262\">overflows the buffer<\/a>, potentially allowing the attacker to execute arbitrary code and compromise the system.<\/p>\n<p><strong>Mitigation Measures<\/strong><\/p>\n<p>In response to this vulnerability, it&#8217;s recommended to apply the vendor patch as soon as possible. In case the patch is not available or cannot be immediately applied, using a Web Application Firewall (WAF) or Intrusion Detection System (IDS) can provide temporary mitigation. These tools can <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-45984-critical-command-injection-vulnerability-detected-in-blink-routers\/\"  data-wpil-monitor-id=\"61376\">detect and block attempts to exploit this vulnerability<\/a>, adding an extra layer of security for the affected systems.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Overview The Common Vulnerabilities and Exposures (CVE) system has logged a critical vulnerability, identified as CVE-2025-5905, within the TOTOLINK T10 4.1.8cu.5207. This vulnerability is particularly concerning due to the potential for remote system compromise and data leakage. Any individual or organization using the affected TOTOLINK T10 version is at risk, highlighting the necessity of immediate [&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-52853","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\/52853","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=52853"}],"version-history":[{"count":11,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/52853\/revisions"}],"predecessor-version":[{"id":72821,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/52853\/revisions\/72821"}],"wp:attachment":[{"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/media?parent=52853"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/categories?post=52853"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/tags?post=52853"},{"taxonomy":"vendor","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/vendor?post=52853"},{"taxonomy":"product","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/product?post=52853"},{"taxonomy":"attack_vector","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/attack_vector?post=52853"},{"taxonomy":"asset_type","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/asset_type?post=52853"},{"taxonomy":"severity","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/severity?post=52853"},{"taxonomy":"exploit_status","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/exploit_status?post=52853"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}