{"id":43201,"date":"2025-05-23T16:20:04","date_gmt":"2025-05-23T16:20:04","guid":{"rendered":""},"modified":"2025-09-29T02:50:32","modified_gmt":"2025-09-29T08:50:32","slug":"cve-2025-4810-critical-remote-buffer-overflow-vulnerability-in-tenda-ac7","status":"publish","type":"post","link":"https:\/\/www.ameeba.com\/blog\/cve-2025-4810-critical-remote-buffer-overflow-vulnerability-in-tenda-ac7\/","title":{"rendered":"<strong>CVE-2025-4810: Critical Remote Buffer Overflow Vulnerability in Tenda AC7<\/strong>"},"content":{"rendered":"<p><strong>Overview<\/strong><\/p>\n<p>The CVE-2025-4810 vulnerability is a critical security flaw discovered in Tenda AC7 15.03.06.44, a widely used WiFi router. The vulnerability has been categorized as a stack-based buffer overflow vulnerability, which can potentially compromise the entire system or lead to data leakage. The vulnerability affects a specific function of the router, making it susceptible to <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-41645-unauthenticated-remote-attacker-hijacking-via-demo-account\/\"  data-wpil-monitor-id=\"49972\">remote attacks<\/a>. This <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-27891-samsung-mobile-and-wearable-processors-vulnerability-leads-to-potential-system-compromise\/\"  data-wpil-monitor-id=\"49311\">vulnerability is significant due to its potential<\/a> for widespread impact.<\/p>\n<p><strong>Vulnerability Summary<\/strong><\/p>\n<p>CVE ID: CVE-2025-4810<br \/>\nSeverity: Critical, CVSS Score 8.8<br \/>\nAttack Vector: Network<br \/>\nPrivileges Required: None<br \/>\nUser Interaction: None<br \/>\nImpact: <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2024-22190-critical-gitpython-vulnerability-exposes-windows-systems-to-potential-compromise\/\"  data-wpil-monitor-id=\"51355\">System compromise and potential<\/a> data leakage<\/p>\n<p><strong>Affected Products<\/strong><\/p><div id=\"ameeb-1941778619\" 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-2025-4809-critical-vulnerability-in-tenda-ac7-router-leads-to-system-compromise\/\"  data-wpil-monitor-id=\"50577\">Tenda AC7<\/a> | 15.03.06.44<\/p>\n<p><strong>How the Exploit Works<\/strong><\/p>\n<p>The vulnerability exists in the formSetRebootTimer function of the \/goform\/SetRebootTimer file in <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-45513-stack-overflow-vulnerability-in-tenda-fh451-v1-0-0-9\/\"  data-wpil-monitor-id=\"48645\">Tenda<\/a> AC7. The function is designed to accept a user-specified reboot_time argument. However, due to insufficient validation of this argument, an attacker can manipulate the reboot_time argument to trigger a <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-29840-critical-stack-based-buffer-overflow-vulnerability-in-windows-media\/\"  data-wpil-monitor-id=\"48491\">buffer overflow<\/a>. This overflow can lead to arbitrary <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-45857-remote-code-execution-vulnerability-in-edimax-cv7428ns-v1-20\/\"  data-wpil-monitor-id=\"48636\">code execution<\/a> thus giving the attacker control over the system.<\/p>\n<p><strong>Conceptual Example Code<\/strong><\/p><div id=\"ameeb-1962787641\" 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>This conceptual example represents how an <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-5353-local-authenticated-attacker-exploit-in-ivanti-workspace-control\/\"  data-wpil-monitor-id=\"86464\">attacker might exploit<\/a> this vulnerability. In this case, a malicious <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-4827-critical-buffer-overflow-vulnerability-in-totolink-http-post-request-handler\/\"  data-wpil-monitor-id=\"50923\">HTTP POST request<\/a> is made to the endpoint that accepts the reboot_time argument.<\/p>\n<pre><code class=\"\" data-line=\"\">POST \/goform\/SetRebootTimer HTTP\/1.1\nHost: target.example.com\nContent-Type: application\/json\n{ &quot;reboot_time&quot;: &quot;VERY LONG STRING THAT TRIGGERS BUFFER OVERFLOW...&quot; }<\/code><\/pre>\n<p>The &#8220;reboot_time&#8221; argument is filled with an excessively long string that triggers a <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-45863-buffer-overflow-vulnerability-in-totolink-a3002r-routers\/\"  data-wpil-monitor-id=\"48894\">buffer overflow<\/a>, leading to potential system compromises and data leakage if successfully exploited.<\/p>\n<p><strong>Mitigation and Patch Information<\/strong><\/p>\n<p>Users are advised to apply the vendor patch as soon as <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-54742-data-deserialization-vulnerability-in-wpevently-leading-to-possible-system-compromise\/\"  data-wpil-monitor-id=\"86462\">possible to mitigate this vulnerability<\/a>. In case the patch is not immediately available or cannot be applied immediately, <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-5485-a-critical-vulnerability-pertaining-to-user-name-enumeration-in-web-management-interfaces\/\"  data-wpil-monitor-id=\"86463\">users can use a Web<\/a> Application Firewall (WAF) or an Intrusion Detection System (IDS) as a temporary mitigation measure. These <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-43564-improper-access-control-vulnerability-in-coldfusion-leading-to-arbitrary-file-system-read\/\"  data-wpil-monitor-id=\"49383\">systems can detect and block attempts to exploit this vulnerability<\/a>, providing a layer of protection until the patch can be applied.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Overview The CVE-2025-4810 vulnerability is a critical security flaw discovered in Tenda AC7 15.03.06.44, a widely used WiFi router. The vulnerability has been categorized as a stack-based buffer overflow vulnerability, which can potentially compromise the entire system or lead to data leakage. The vulnerability affects a specific function of the router, making it susceptible to [&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-43201","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\/43201","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=43201"}],"version-history":[{"count":11,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/43201\/revisions"}],"predecessor-version":[{"id":79254,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/43201\/revisions\/79254"}],"wp:attachment":[{"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/media?parent=43201"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/categories?post=43201"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/tags?post=43201"},{"taxonomy":"vendor","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/vendor?post=43201"},{"taxonomy":"product","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/product?post=43201"},{"taxonomy":"attack_vector","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/attack_vector?post=43201"},{"taxonomy":"asset_type","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/asset_type?post=43201"},{"taxonomy":"severity","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/severity?post=43201"},{"taxonomy":"exploit_status","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/exploit_status?post=43201"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}