{"id":86022,"date":"2025-12-12T13:13:35","date_gmt":"2025-12-12T13:13:35","guid":{"rendered":""},"modified":"-0001-11-30T00:00:00","modified_gmt":"-0001-11-30T06:00:00","slug":"cve-2025-40761-bypass-authentication-vulnerability-in-ruggedcom-rox-devices","status":"publish","type":"post","link":"https:\/\/www.ameeba.com\/blog\/cve-2025-40761-bypass-authentication-vulnerability-in-ruggedcom-rox-devices\/","title":{"rendered":"<strong>CVE-2025-40761: Bypass Authentication Vulnerability in RUGGEDCOM ROX Devices<\/strong>"},"content":{"rendered":"<p><strong>Overview<\/strong><\/p>\n<p>The recent discovery of a security vulnerability in RUGGEDCOM ROX devices, identified as CVE-2025-40761, poses significant risks to companies and organizations utilizing these products in their network infrastructure. This vulnerability allows attackers to bypass the device&#8217;s authentication process, potentially leading to unauthorized system access, data leakage, and system compromise. The severity of this vulnerability underlines the critical need to address and mitigate the associated risks.<\/p>\n<p><strong>Vulnerability Summary<\/strong><\/p>\n<p>CVE ID: CVE-2025-40761<br \/>\nSeverity: High (7.6 CVSS)<br \/>\nAttack Vector: Physical<br \/>\nPrivileges Required: None<br \/>\nUser Interaction: Required<br \/>\nImpact: Unauthorized system access, data leakage, and potential system compromise<\/p>\n<p><strong>Affected Products<\/strong><\/p><div id=\"ameeb-4159847857\" 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>RUGGEDCOM ROX MX5000 | All versions<br \/>\nRUGGEDCOM ROX MX5000RE | All versions<br \/>\nRUGGEDCOM ROX RX1400 | All versions<br \/>\nRUGGEDCOM ROX RX1500 | All versions<br \/>\nRUGGEDCOM ROX RX1510 | All versions<br \/>\nRUGGEDCOM ROX RX1511 | All versions<br \/>\nRUGGEDCOM ROX RX1512 | All versions<br \/>\nRUGGEDCOM ROX RX1524 | All versions<br \/>\nRUGGEDCOM ROX RX1536 | All versions<br \/>\nRUGGEDCOM ROX RX5000 | All versions<\/p>\n<p><strong>How the Exploit Works<\/strong><\/p>\n<p>The vulnerability lies in the Built-In-Self-Test (BIST) mode of the affected RUGGEDCOM ROX devices. The devices do not adequately limit access in this mode, enabling an attacker with physical access to the serial interface to bypass the authentication process. This bypass allows the attacker to gain access to a root shell on the device, resulting in unauthorized system access and potential system compromise.<\/p>\n<p><strong>Conceptual Example Code<\/strong><\/p><div id=\"ameeb-2497617479\" 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<br \/>\n<strong>conceptual<\/strong><br \/>\n example of how an attacker might exploit this vulnerability:<\/p>\n<pre><code class=\"\" data-line=\"\"># Attacker gains physical access to serial interface\nconnect to serial interface\n# Attacker enters BIST mode\nenter BIST mode\n# Bypass authentication, gain root access\nbypass authentication, get root shell<\/code><\/pre>\n<p>Please note that this is a simplified representation of the potential exploit and does not represent real code. It is provided for understanding purposes only.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Overview The recent discovery of a security vulnerability in RUGGEDCOM ROX devices, identified as CVE-2025-40761, poses significant risks to companies and organizations utilizing these products in their network infrastructure. This vulnerability allows attackers to bypass the device&#8217;s authentication process, potentially leading to unauthorized system access, data leakage, and system compromise. The severity of this vulnerability [&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":[],"tags":[],"vendor":[],"product":[],"attack_vector":[],"asset_type":[],"severity":[],"exploit_status":[],"class_list":["post-86022","post","type-post","status-publish","format-standard","hentry"],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/86022","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=86022"}],"version-history":[{"count":0,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/86022\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/media?parent=86022"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/categories?post=86022"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/tags?post=86022"},{"taxonomy":"vendor","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/vendor?post=86022"},{"taxonomy":"product","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/product?post=86022"},{"taxonomy":"attack_vector","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/attack_vector?post=86022"},{"taxonomy":"asset_type","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/asset_type?post=86022"},{"taxonomy":"severity","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/severity?post=86022"},{"taxonomy":"exploit_status","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/exploit_status?post=86022"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}