{"id":38667,"date":"2025-05-16T17:12:21","date_gmt":"2025-05-16T17:12:21","guid":{"rendered":""},"modified":"2025-06-03T17:17:50","modified_gmt":"2025-06-03T23:17:50","slug":"cve-2025-4462-critical-buffer-overflow-vulnerability-in-totolink-n150rt-3-4-0-b20190525","status":"publish","type":"post","link":"https:\/\/www.ameeba.com\/blog\/cve-2025-4462-critical-buffer-overflow-vulnerability-in-totolink-n150rt-3-4-0-b20190525\/","title":{"rendered":"<strong>CVE-2025-4462: Critical Buffer Overflow Vulnerability in TOTOLINK N150RT 3.4.0-B20190525<\/strong>"},"content":{"rendered":"<p><strong>Overview<\/strong><\/p>\n<p>A critical vulnerability has been detected in the TOTOLINK N150RT 3.4.0-B20190525 that poses a significant threat to the integrity and confidentiality of the system. The vulnerability, termed as CVE-2025-4462, is associated with a buffer overflow condition that arises from an unknown processing function of the file \/boafrm\/formWsc. This vulnerability affects a wide range of users and organizations that use this product, and due to its critical nature, it is crucial to address this promptly to prevent <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2023-49126-critical-vulnerability-in-solid-edge-se2023-allows-for-potential-system-compromise\/\"  data-wpil-monitor-id=\"43412\">potential system<\/a> compromise or data leakage.<\/p>\n<p><strong>Vulnerability Summary<\/strong><\/p>\n<p>CVE ID: CVE-2025-4462<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-2023-49129-stack-overflow-vulnerability-in-solid-edge-se2023-allows-potential-system-compromise\/\"  data-wpil-monitor-id=\"43504\">Potential system<\/a> compromise or data leakage<\/p>\n<p><strong>Affected Products<\/strong><\/p><div id=\"ameeb-3473499438\" 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>TOTOLINK N150RT | 3.4.0-B20190525<\/p>\n<p><strong>How the Exploit Works<\/strong><\/p>\n<p>The <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2023-39272-integer-overflow-vulnerability-in-gtkwave-lxt2-facgeometry-parsing\/\"  data-wpil-monitor-id=\"43350\">vulnerability originates from a buffer overflow<\/a> condition in the \/boafrm\/formWsc file processing operation. A <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2023-49122-critical-heap-based-buffer-overflow-vulnerability-in-solid-edge-se2023\/\"  data-wpil-monitor-id=\"43364\">buffer overflow<\/a> happens when more data is written to a buffer than it can handle, causing the excess data to overflow into adjacent memory space. In this case, the manipulation of the argument localPin leads to a <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2023-49121-heap-based-buffer-overflow-vulnerability-in-solid-edge-se2023\/\"  data-wpil-monitor-id=\"43388\">buffer overflow<\/a>. This <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-44071-critical-remote-code-execution-vulnerability-in-seacms-v13-3\/\"  data-wpil-monitor-id=\"43394\">vulnerability can be exploited remotely<\/a> by an attacker without requiring any user interaction or privileges. Consequently, the attacker could gain unauthorized access to the system, <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-4347-d-link-router-buffer-overflow-vulnerability-leading-to-potential-system-compromise\/\"  data-wpil-monitor-id=\"43570\">leading to potential system<\/a> compromise or data leakage.<\/p>\n<p><strong>Conceptual Example Code<\/strong><\/p><div id=\"ameeb-2934188002\" 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 <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-23394-critical-unix-symbolic-link-following-vulnerability-in-opensuse-tumbleweed-cyrus-imapd\/\"  data-wpil-monitor-id=\"54402\">following is a conceptual example of how this vulnerability<\/a> might be exploited. This is a hypothetical HTTP request where the attacker sends excessive data in the &#8216;localPin&#8217; argument, causing a <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-4299-critical-remote-buffer-overflow-vulnerability-in-tenda-ac1206\/\"  data-wpil-monitor-id=\"43454\">buffer overflow<\/a>:<\/p>\n<pre><code class=\"\" data-line=\"\">POST \/boafrm\/formWsc HTTP\/1.1\nHost: target.example.com\nContent-Type: application\/x-www-form-urlencoded\nlocalPin=111111111111111111111111...............<\/code><\/pre>\n<p>In the above example, the &#8216;localPin&#8217; argument is filled with an excessive amount of data, which the buffer cannot handle, leading to a <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-4298-critical-buffer-overflow-vulnerability-in-tenda-ac1206\/\"  data-wpil-monitor-id=\"43457\">buffer overflow<\/a>.<\/p>\n<p><strong>Mitigation and Recommendations<\/strong><\/p>\n<p>To mitigate this vulnerability, users are strongly advised to apply the patch provided by the vendor as soon as possible. In the absence of a patch, using a Web Application Firewall (WAF) or Intrusion Detection System (IDS) can serve as temporary mitigation. Regularly updating all software and systems, practicing good cybersecurity hygiene, and maintaining a proactive approach to <a href=\"https:\/\/www.ameeba.com\/blog\/boosting-digital-security-leveraging-the-european-vulnerability-database-enisa\/\"  data-wpil-monitor-id=\"44925\">security can help prevent exploitation of such vulnerabilities<\/a>.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Overview A critical vulnerability has been detected in the TOTOLINK N150RT 3.4.0-B20190525 that poses a significant threat to the integrity and confidentiality of the system. The vulnerability, termed as CVE-2025-4462, is associated with a buffer overflow condition that arises from an unknown processing function of the file \/boafrm\/formWsc. This vulnerability affects a wide range of [&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-38667","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\/38667","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=38667"}],"version-history":[{"count":11,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/38667\/revisions"}],"predecessor-version":[{"id":48607,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/38667\/revisions\/48607"}],"wp:attachment":[{"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/media?parent=38667"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/categories?post=38667"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/tags?post=38667"},{"taxonomy":"vendor","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/vendor?post=38667"},{"taxonomy":"product","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/product?post=38667"},{"taxonomy":"attack_vector","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/attack_vector?post=38667"},{"taxonomy":"asset_type","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/asset_type?post=38667"},{"taxonomy":"severity","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/severity?post=38667"},{"taxonomy":"exploit_status","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/exploit_status?post=38667"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}