{"id":50813,"date":"2025-06-10T12:16:11","date_gmt":"2025-06-10T12:16:11","guid":{"rendered":""},"modified":"2025-08-07T11:57:17","modified_gmt":"2025-08-07T17:57:17","slug":"cve-2025-5527-critical-vulnerability-exposing-potential-system-compromise-in-tenda-rx3","status":"publish","type":"post","link":"https:\/\/www.ameeba.com\/blog\/cve-2025-5527-critical-vulnerability-exposing-potential-system-compromise-in-tenda-rx3\/","title":{"rendered":"<strong>CVE-2025-5527: Critical Vulnerability Exposing Potential System Compromise in Tenda RX3<\/strong>"},"content":{"rendered":"<p><strong>Overview<\/strong><\/p>\n<p>The cybersecurity landscape is fraught with evolving threats, a scenario vividly exemplified by the recently discovered critical vulnerability CVE-2025-5527. This issue affects a broad range of devices running the Tenda RX3 16.03.13.11_multi_TDE01 software. It&#8217;s particularly alarming because of its potential to enable <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2023-42977-path-handling-vulnerability-that-risks-data-leakage-and-system-compromise\/\"  data-wpil-monitor-id=\"56923\">system compromise and data leakage<\/a>, hence the urgency to address it. The <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-31632-critical-php-remote-file-inclusion-vulnerability-in-spyropress-la-boom\/\"  data-wpil-monitor-id=\"56910\">vulnerability impacts the function save_staticroute_data of the file<\/a> \/goform\/SetStaticRouteCfg, and the exploit has been disclosed publicly.<\/p>\n<p><strong>Vulnerability Summary<\/strong><\/p>\n<p>CVE ID: CVE-2025-5527<br \/>\nSeverity: Critical (CVSS 8.8)<br \/>\nAttack Vector: <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-52723-php-remote-file-inclusion-vulnerability-in-networker-software\/\"  data-wpil-monitor-id=\"65852\">Remote Network<\/a><br \/>\nPrivileges Required: None<br \/>\nUser Interaction: None<br \/>\nImpact: Potential <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-31263-critical-memory-handling-vulnerability-could-lead-to-system-compromise-or-data-leakage-in-macos-sequoia-15-4\/\"  data-wpil-monitor-id=\"56995\">system compromise and data leakage<\/a><\/p>\n<p><strong>Affected Products<\/strong><\/p><div id=\"ameeb-82009633\" 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>Tenda | RX3 16.03.13.11_multi_TDE01<\/p>\n<p><strong>How the Exploit Works<\/strong><\/p>\n<p>The <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-1656-heap-based-overflow-vulnerability-in-autodesk-applications\/\"  data-wpil-monitor-id=\"57074\">vulnerability CVE-2025-5527 is a stack-based buffer overflow<\/a> issue. It occurs when the function save_staticroute_data of the <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-53964-critical-file-manipulation-vulnerability-in-goldendict\/\"  data-wpil-monitor-id=\"67168\">file \/goform\/SetStaticRouteCfg manipulates<\/a> the argument list. The <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-2497-stack-based-buffer-overflow-vulnerability-in-autodesk-revit\/\"  data-wpil-monitor-id=\"57169\">buffer overflow<\/a> happens when the system attempts to store more data in a buffer than it can handle. This technique can be exploited by an attacker to <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-1277-memory-corruption-vulnerability-in-autodesk-applications-through-malicious-pdf-files\/\"  data-wpil-monitor-id=\"57138\">corrupt the execution stack of a software application<\/a>, leading to a system crash or potentially allowing the execution of malicious code.<\/p>\n<p><strong>Conceptual Example Code<\/strong><\/p><div id=\"ameeb-127191136\" 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 following conceptual HTTP request could <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2021-47668-linux-kernel-vulnerability-leading-to-potential-system-compromise-or-data-leakage\/\"  data-wpil-monitor-id=\"57509\">potentially trigger this vulnerability<\/a>:<\/p>\n<pre><code class=\"\" data-line=\"\">POST \/goform\/SetStaticRouteCfg HTTP\/1.1\nHost: target.example.com\nContent-Type: application\/x-www-form-urlencoded\narg1=value1&amp;arg2=value2&amp;...&amp;argN=very_long_value<\/code><\/pre>\n<p>In the example above, the `very_long_value` represents an excessively long string that would <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2020-36846-critical-buffer-overflow-vulnerability-in-brotli-compression-library\/\"  data-wpil-monitor-id=\"57246\">overflow the buffer<\/a> when the `save_staticroute_data` function attempts to store it.<\/p>\n<p><strong>Mitigation Guidance<\/strong><\/p>\n<p>Until the vendor provides a patch, there are temporary mitigations that can be implemented to lessen the risk <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-22236-minion-event-bus-authorization-bypass-vulnerability-posing-serious-security-threats\/\"  data-wpil-monitor-id=\"63355\">posed by this vulnerability<\/a>. These include using a Web Application Firewall (WAF) or Intrusion Detection System (IDS). These <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=\"57855\">systems can detect and block attempts to exploit this vulnerability<\/a>. Nonetheless, users are strongly encouraged to apply the vendor&#8217;s patch as soon as it becomes available to permanently address this issue.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Overview The cybersecurity landscape is fraught with evolving threats, a scenario vividly exemplified by the recently discovered critical vulnerability CVE-2025-5527. This issue affects a broad range of devices running the Tenda RX3 16.03.13.11_multi_TDE01 software. It&#8217;s particularly alarming because of its potential to enable system compromise and data leakage, hence the urgency to address it. 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":[86],"asset_type":[],"severity":[],"exploit_status":[],"class_list":["post-50813","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\/50813","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=50813"}],"version-history":[{"count":12,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/50813\/revisions"}],"predecessor-version":[{"id":61005,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/50813\/revisions\/61005"}],"wp:attachment":[{"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/media?parent=50813"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/categories?post=50813"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/tags?post=50813"},{"taxonomy":"vendor","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/vendor?post=50813"},{"taxonomy":"product","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/product?post=50813"},{"taxonomy":"attack_vector","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/attack_vector?post=50813"},{"taxonomy":"asset_type","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/asset_type?post=50813"},{"taxonomy":"severity","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/severity?post=50813"},{"taxonomy":"exploit_status","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/exploit_status?post=50813"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}