{"id":33682,"date":"2025-04-29T12:57:43","date_gmt":"2025-04-29T12:57:43","guid":{"rendered":""},"modified":"2025-05-14T11:03:07","modified_gmt":"2025-05-14T11:03:07","slug":"cve-2025-45428-remote-arbitrary-code-execution-vulnerability-in-tenda-ac9-v1-0-firmware","status":"publish","type":"post","link":"https:\/\/www.ameeba.com\/blog\/cve-2025-45428-remote-arbitrary-code-execution-vulnerability-in-tenda-ac9-v1-0-firmware\/","title":{"rendered":"<strong>CVE-2025-45428: Remote Arbitrary Code Execution Vulnerability in Tenda AC9 v1.0 Firmware<\/strong>"},"content":{"rendered":"<p><strong>Overview<\/strong><\/p>\n<p>The Common Vulnerabilities and Exposures (CVE) system has recently identified a critical vulnerability, CVE-2025-45428, found in Tenda AC9 v1.0 with firmware V15.03.05.14_multi. This vulnerability could potentially allow a remote attacker to execute arbitrary code on the affected system, leading to a full-scale compromise of the system and potential data leakage. As Tenda AC9 routers are widely used, this vulnerability could pose a significant risk to countless networks and systems worldwide, making the understanding and <a href=\"https:\/\/www.ameeba.com\/blog\/unpacking-the-cybersecurity-resources-ncua-a-comprehensive-analysis-of-the-event-its-implications-and-mitigation-strategies\/\"  data-wpil-monitor-id=\"39385\">mitigation of this vulnerability crucial for maintaining cybersecurity<\/a> standards.<\/p>\n<p><strong>Vulnerability Summary<\/strong><\/p>\n<p>CVE ID: CVE-2025-45428<br \/>\nSeverity: Critical (CVSS score 9.8)<br \/>\nAttack Vector: Network<br \/>\nPrivileges Required: None<br \/>\nUser Interaction: None<br \/>\nImpact: <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-32849-vulnerability-in-telecontrol-server-basic-leads-to-potential-system-compromise\/\"  data-wpil-monitor-id=\"39386\">System compromise and potential<\/a> data leakage<\/p>\n<p><strong>Affected Products<\/strong><\/p><div id=\"ameeb-2953966408\" 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><a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-45429-stack-overflow-vulnerability-in-tenda-ac9-v1-0-router\/\"  data-wpil-monitor-id=\"40029\">Tenda AC9 v1.0<\/a> | Firmware V15.03.05.14_multi<\/p>\n<p><strong>How the Exploit Works<\/strong><\/p>\n<p>The exploit takes advantage of a stack <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-28024-buffer-overflow-vulnerability-in-totolink-a810r-v4-1-2cu-5182-b20201026\/\"  data-wpil-monitor-id=\"39589\">overflow vulnerability<\/a> in the rebootTime parameter of the \/goform\/SetSysAutoRebbotCfg endpoint in the Tenda AC9 firmware. A remote attacker can send a specially crafted request to this endpoint, causing the stack overflow, which in turn <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-32958-critical-adept-language-vulnerability-allowing-malicious-code-execution\/\"  data-wpil-monitor-id=\"38243\">allows the execution of arbitrary code<\/a>. The attacker does not need any special <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2024-58250-privilege-mishandling-vulnerability-in-pppd-s-passprompt-plugin\/\"  data-wpil-monitor-id=\"38445\">privileges to exploit this vulnerability<\/a>, and no user interaction is required, which makes this vulnerability particularly dangerous.<\/p>\n<p><strong>Conceptual Example Code<\/strong><\/p><div id=\"ameeb-3273093830\" 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 a malicious HTTP <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-1305-cross-site-request-forgery-csrf-vulnerability-in-newsblogger-wordpress-theme\/\"  data-wpil-monitor-id=\"42565\">request exploiting this vulnerability<\/a> might look:<\/p>\n<pre><code class=\"\" data-line=\"\">POST \/goform\/SetSysAutoRebbotCfg HTTP\/1.1\nHost: target.example.com\nContent-Type: application\/json\n{ &quot;rebootTime&quot;: &quot;[malicious_payload]&quot; }<\/code><\/pre>\n<p>In the above example, &#8220;[malicious_payload] represents a string of code designed to cause a stack overflow and execute <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2023-43958-arbitrary-file-upload-vulnerability-in-hospital-management-system-v4-0\/\"  data-wpil-monitor-id=\"39684\">arbitrary code on the system<\/a>.<\/p>\n<p><strong>Recommended Mitigation<\/strong><\/p>\n<p>Users of the affected <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-45427-critical-stack-overflow-vulnerability-in-tenda-ac9-v1-0-firmware\/\"  data-wpil-monitor-id=\"40557\">Tenda AC9<\/a> firmware are strongly advised to apply the vendor patch as soon as it becomes available. In the meantime, utilizing a Web Application Firewall (WAF) or Intrusion Detection System (IDS) can serve as a temporary mitigation for this vulnerability. Regularly updating systems and software, and monitoring network traffic for any suspicious activity are general best <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-3708-sql-injection-vulnerability-in-le-show-medical-practice-management-system\/\"  data-wpil-monitor-id=\"42759\">practices that can also help protect against such vulnerabilities<\/a>.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Overview The Common Vulnerabilities and Exposures (CVE) system has recently identified a critical vulnerability, CVE-2025-45428, found in Tenda AC9 v1.0 with firmware V15.03.05.14_multi. This vulnerability could potentially allow a remote attacker to execute arbitrary code on the affected system, leading to a full-scale compromise of the system and potential data leakage. As Tenda AC9 routers [&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":[86,80],"asset_type":[],"severity":[],"exploit_status":[],"class_list":["post-33682","post","type-post","status-publish","format-standard","hentry","category-uncategorized","attack_vector-buffer-overflow","attack_vector-rce"],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/33682","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=33682"}],"version-history":[{"count":9,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/33682\/revisions"}],"predecessor-version":[{"id":38068,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/33682\/revisions\/38068"}],"wp:attachment":[{"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/media?parent=33682"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/categories?post=33682"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/tags?post=33682"},{"taxonomy":"vendor","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/vendor?post=33682"},{"taxonomy":"product","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/product?post=33682"},{"taxonomy":"attack_vector","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/attack_vector?post=33682"},{"taxonomy":"asset_type","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/asset_type?post=33682"},{"taxonomy":"severity","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/severity?post=33682"},{"taxonomy":"exploit_status","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/exploit_status?post=33682"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}