{"id":51150,"date":"2025-06-11T14:25:40","date_gmt":"2025-06-11T14:25:40","guid":{"rendered":""},"modified":"2025-06-17T23:18:58","modified_gmt":"2025-06-18T05:18:58","slug":"cve-2025-5629-critical-buffer-overflow-vulnerability-in-tenda-ac10","status":"publish","type":"post","link":"https:\/\/www.ameeba.com\/blog\/cve-2025-5629-critical-buffer-overflow-vulnerability-in-tenda-ac10\/","title":{"rendered":"<strong>CVE-2025-5629: Critical Buffer Overflow Vulnerability in Tenda AC10<\/strong>"},"content":{"rendered":"<p><strong>Overview<\/strong><\/p>\n<p>A critical vulnerability has been discovered in Tenda AC10 routers, affecting versions up to 15.03.06.47, that could potentially compromise the entire system or lead to data leakage. This vulnerability, identified as CVE-2025-5629, pertains to a buffer overflow condition caused by the manipulation of the `startIp\/endIp` arguments in the `formSetPPTPServer` function of `\/goform\/SetPptpServerCfg` file in the HTTP Handler component. Given the widespread use of Tenda AC10 routers, the <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-21453-critical-memory-corruption-vulnerability-impacting-multiple-systems\/\"  data-wpil-monitor-id=\"58948\">impact of this vulnerability<\/a> is extensive and its mitigation is of paramount importance.<\/p>\n<p><strong>Vulnerability Summary<\/strong><\/p>\n<p>CVE ID: CVE-2025-5629<br \/>\nSeverity: Critical (8.8 CVSS score)<br \/>\nAttack Vector: Network<br \/>\nPrivileges Required: None<br \/>\nUser Interaction: None<br \/>\nImpact: <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=\"57640\">Potential system compromise or data<\/a> leakage<\/p>\n<p><strong>Affected Products<\/strong><\/p><div id=\"ameeb-4083132748\" 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>Tenda AC10 | Up to 15.03.06.47<\/p>\n<p><strong>How the Exploit Works<\/strong><\/p>\n<p>The exploit takes advantage of a <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-29625-critical-buffer-overflow-vulnerability-in-astrolog-v7-70\/\"  data-wpil-monitor-id=\"57639\">buffer overflow<\/a> condition in the HTTP Handler component of the Tenda AC10 routers. This is achieved by sending specially crafted <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-5671-critical-buffer-overflow-vulnerability-in-totolink-n302r-plus-http-post-request-handler\/\"  data-wpil-monitor-id=\"59503\">HTTP requests<\/a> with manipulated `startIp\/endIp` arguments to the `formSetPPTPServer` function of the `\/goform\/SetPptpServerCfg` file. The <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-5408-critical-vulnerability-in-wavlink-devices-leads-to-buffer-overflow\/\"  data-wpil-monitor-id=\"57694\">buffer overflow condition can lead<\/a> to unexpected behavior, including system crashes, arbitrary code execution, or even a complete system takeover, thereby potentially compromising user&#8217;s data.<\/p>\n<p><strong>Conceptual Example Code<\/strong><\/p><div id=\"ameeb-1774995994\" 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&#8217;s a conceptual example of an <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-32105-buffer-overflow-vulnerability-in-sangoma-img2020-http-server-leading-to-remote-code-execution\/\"  data-wpil-monitor-id=\"58543\">HTTP request that could exploit this vulnerability<\/a>:<\/p>\n<pre><code class=\"\" data-line=\"\">POST \/goform\/SetPptpServerCfg HTTP\/1.1\nHost: target.tenda.router\nContent-Type: application\/x-www-form-urlencoded\nstartIp=192.168.1.1&amp;endIp=192.168.1.256<\/code><\/pre>\n<p>In this example, the `endIp` is set to `192.168.1.256`, which is an invalid IP address, causing a <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-22884-buffer-overflow-vulnerability-in-delta-electronics-ispsoft\/\"  data-wpil-monitor-id=\"57753\">buffer overflow<\/a> in the handling function.<\/p>\n<p><strong>Recommended Mitigations<\/strong><\/p>\n<p>Users are strongly advised to apply the patch <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-4578-sql-injection-vulnerability-in-file-provider-wordpress-plugin\/\"  data-wpil-monitor-id=\"58834\">provided by the vendor to mitigate this vulnerability<\/a>. In case the patch cannot be applied immediately, using a Web Application Firewall (WAF) or Intrusion Detection System (IDS) can serve as temporary mitigation. Additionally, it is recommended to disable remote management features if they are not required and regularly update and <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-49002-critical-vulnerability-in-dataease-bypassing-patch-for-cve-2025-32966\/\"  data-wpil-monitor-id=\"58915\">patch all software to prevent exploitation of known vulnerabilities<\/a>.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Overview A critical vulnerability has been discovered in Tenda AC10 routers, affecting versions up to 15.03.06.47, that could potentially compromise the entire system or lead to data leakage. This vulnerability, identified as CVE-2025-5629, pertains to a buffer overflow condition caused by the manipulation of the `startIp\/endIp` arguments in the `formSetPPTPServer` function of `\/goform\/SetPptpServerCfg` file in [&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-51150","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\/51150","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=51150"}],"version-history":[{"count":8,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/51150\/revisions"}],"predecessor-version":[{"id":53194,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/51150\/revisions\/53194"}],"wp:attachment":[{"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/media?parent=51150"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/categories?post=51150"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/tags?post=51150"},{"taxonomy":"vendor","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/vendor?post=51150"},{"taxonomy":"product","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/product?post=51150"},{"taxonomy":"attack_vector","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/attack_vector?post=51150"},{"taxonomy":"asset_type","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/asset_type?post=51150"},{"taxonomy":"severity","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/severity?post=51150"},{"taxonomy":"exploit_status","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/exploit_status?post=51150"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}