{"id":51286,"date":"2025-06-13T18:47:14","date_gmt":"2025-06-13T18:47:14","guid":{"rendered":""},"modified":"2025-10-03T12:32:25","modified_gmt":"2025-10-03T18:32:25","slug":"cve-2025-3461-critical-unauthenticated-telnet-interface-vulnerability-in-quantenna-wi-fi-chipsets","status":"publish","type":"post","link":"https:\/\/www.ameeba.com\/blog\/cve-2025-3461-critical-unauthenticated-telnet-interface-vulnerability-in-quantenna-wi-fi-chipsets\/","title":{"rendered":"<strong>CVE-2025-3461: Critical Unauthenticated Telnet Interface Vulnerability in Quantenna Wi-Fi Chipsets<\/strong>"},"content":{"rendered":"<p><strong>Overview<\/strong><\/p>\n<p>In the realm of cybersecurity, every new day presents a fresh set of challenges to overcome. Today&#8217;s focus falls on a critical vulnerability labelled as CVE-2025-3461. This flaw, inherent in Quantenna Wi-Fi chips, could <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=\"57893\">potentially lead to severe system<\/a> compromises or data leakage if exploited. With an alarming CVSS severity score of 9.1, the <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-30184-unauthenticated-web-interface-access-vulnerability-in-cyberdata-011209-intercom\/\"  data-wpil-monitor-id=\"60440\">vulnerability pertains to an unauthenticated telnet interface<\/a> within these chips. This <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-43245-critical-downgrade-issue-affecting-multiple-macos-versions\/\"  data-wpil-monitor-id=\"81791\">issue is especially concerning because it affects<\/a> a wide range of devices that utilize the Quantenna Wi-Fi chipset, and it remains unpatched at the time of initial publishing of this CVE record.<\/p>\n<p><strong>Vulnerability Summary<\/strong><\/p>\n<p>CVE ID: CVE-2025-3461<br \/>\nSeverity: Critical (CVSS 9.1)<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=\"58068\">System compromise and data<\/a> leakage<\/p>\n<p><strong>Affected Products<\/strong><\/p><div id=\"ameeb-811220436\" 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>Quantenna Wi-Fi chipset | Up to and including 8.0.0.28<\/p>\n<p><strong>How the Exploit Works<\/strong><\/p>\n<p>The <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-0358-privilege-escalation-vulnerability-in-vapix-device-configuration-framework\/\"  data-wpil-monitor-id=\"57892\">vulnerability stems from an oversight in the default configuration<\/a> of the Quantenna Wi-Fi chips. These chips are shipped with an <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2024-51978-unauthenticated-default-administrator-password-generation\/\"  data-wpil-monitor-id=\"64447\">unauthenticated telnet interface by default<\/a>. This <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2021-47669-linux-kernel-vulnerability-allowing-potential-system-compromise\/\"  data-wpil-monitor-id=\"58095\">allows an attacker with network access to potentially<\/a> connect to this interface without the need for credentials. This vulnerability is a classic example of CWE-306, &#8220;Missing <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-41646-critical-authentication-bypass-vulnerability-in-affected-software-packages\/\"  data-wpil-monitor-id=\"59281\">Authentication for Critical<\/a> Function. Once the unauthenticated access is obtained, the attacker can exploit the <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=\"57915\">system and possibly lead<\/a> to unauthorized data access or even system compromise.<\/p>\n<p><strong>Conceptual Example Code<\/strong><\/p><div id=\"ameeb-119230280\" 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 of how this vulnerability might be exploited. The <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-3755-unauthenticated-remote-attack-on-mitsubishi-electric-melsec-iq-f-series-cpu-modules\/\"  data-wpil-monitor-id=\"58354\">attacker could use a simple telnet command to reach the unauthenticated<\/a> interface:<\/p>\n<pre><code class=\"\" data-line=\"\">telnet target_ip_address<\/code><\/pre>\n<p>After connecting, the attacker could then issue commands or deploy scripts that could compromise the <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2024-49835-memory-corruption-vulnerability-leading-to-potential-data-leakage-or-system-compromise\/\"  data-wpil-monitor-id=\"58399\">system or leak sensitive data<\/a>. It&#8217;s crucial to note that this is a simplified example and real-world exploits are often more complex and sophisticated.<\/p>\n<p><strong>Mitigation Guidance<\/strong><\/p>\n<p>In the absence of an official patch, the vendor has released a set of best practices for implementors of the chipset. As a temporary mitigation solution, it is advised to use a Web Application Firewall (WAF) or Intrusion Detection System (IDS). These can help detect and prevent <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2024-45564-critical-memory-corruption-vulnerability-leading-to-potential-system-compromise\/\"  data-wpil-monitor-id=\"58136\">potential attempts to exploit this vulnerability<\/a>. However, these are only stop-gap measures and cannot replace the need for a proper patch. Administrators are urged to keep a close watch on any <a href=\"https:\/\/www.ameeba.com\/blog\/introducing-the-ameeba-cybersecurity-group-chat\/\"  data-wpil-monitor-id=\"88406\">announcements<\/a> from the vendor regarding a patch or a more permanent solution.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Overview In the realm of cybersecurity, every new day presents a fresh set of challenges to overcome. Today&#8217;s focus falls on a critical vulnerability labelled as CVE-2025-3461. This flaw, inherent in Quantenna Wi-Fi chips, could potentially lead to severe system compromises or data leakage if exploited. With an alarming CVSS severity score of 9.1, the [&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":[],"asset_type":[],"severity":[],"exploit_status":[],"class_list":["post-51286","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/51286","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=51286"}],"version-history":[{"count":12,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/51286\/revisions"}],"predecessor-version":[{"id":81218,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/51286\/revisions\/81218"}],"wp:attachment":[{"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/media?parent=51286"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/categories?post=51286"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/tags?post=51286"},{"taxonomy":"vendor","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/vendor?post=51286"},{"taxonomy":"product","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/product?post=51286"},{"taxonomy":"attack_vector","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/attack_vector?post=51286"},{"taxonomy":"asset_type","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/asset_type?post=51286"},{"taxonomy":"severity","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/severity?post=51286"},{"taxonomy":"exploit_status","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/exploit_status?post=51286"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}