{"id":21229,"date":"2025-04-11T00:50:13","date_gmt":"2025-04-11T00:50:13","guid":{"rendered":""},"modified":"2025-10-10T16:34:07","modified_gmt":"2025-10-10T22:34:07","slug":"cve-2024-0538-detailed-analysis-of-critical-tenda-w9-vulnerability","status":"publish","type":"post","link":"https:\/\/www.ameeba.com\/blog\/cve-2024-0538-detailed-analysis-of-critical-tenda-w9-vulnerability\/","title":{"rendered":"<strong>CVE-2024-0538: Detailed Analysis of Critical Tenda W9 Vulnerability<\/strong>"},"content":{"rendered":"<p><strong>Overview<\/strong><\/p>\n<p>In today&#8217;s digital age, cybersecurity threats are a constant concern for individuals and organizations alike. The latest vulnerability to be uncovered, CVE-2024-0538, is a critical security flaw found in Tenda W9 1.0.0.7(4456). This <a href=\"https:\/\/www.ameeba.com\/blog\/a-vulnerable-europe-the-cybersecurity-threat-from-the-u-s-that-could-lead-to-a-national-shutdown\/\"  data-wpil-monitor-id=\"25591\">vulnerability can potentially compromise the entire system or lead<\/a> to data leakage, thereby posing a significant risk to the security and privacy of data. As the vulnerability affects the httpd component, specifically the function formQosManage_auto, it matters greatly to any organization or individual utilizing Tenda W9, as it could expose their sensitive <a href=\"https:\/\/www.ameeba.com\/blog\/ahold-delhaize-cyber-attack-unpacking-the-data-breach-and-its-implications\/\"  data-wpil-monitor-id=\"39198\">data to attackers<\/a>.<\/p>\n<p><strong>Vulnerability Summary<\/strong><\/p>\n<p>CVE ID: CVE-2024-0538<br \/>\nSeverity: Critical (CVSS: 8.8)<br \/>\nAttack Vector: Network<br \/>\nPrivileges Required: None<br \/>\nUser Interaction: None<br \/>\nImpact: <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2024-0576-critical-vulnerability-in-totolink-lr1200gb-leading-to-potential-system-compromise\/\"  data-wpil-monitor-id=\"29414\">Potential system<\/a> compromise and data leakage<\/p>\n<p><strong>Affected Products<\/strong><\/p><div id=\"ameeb-3761991134\" 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 W9 | 1.0.0.7(4456)<\/p>\n<p><strong>How the Exploit Works<\/strong><\/p>\n<p>The <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2023-6528-buffer-overflow-vulnerability-in-abc-data-handler\/\"  data-wpil-monitor-id=\"24521\">vulnerability arises from a stack-based buffer overflow<\/a> within the formQosManage_auto function in the httpd component. By manipulating the argument &#8216;ssidIndex&#8217;, attackers can cause an overflow condition that can lead to arbitrary <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2023-29048-remote-code-execution-via-oxmf-template-injection-in-open-xchange-app-suite\/\"  data-wpil-monitor-id=\"24576\">code execution<\/a>. This <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2024-0577-critical-vulnerability-in-totolink-lr1200gb-router-allows-potential-remote-exploitation\/\"  data-wpil-monitor-id=\"29413\">allows an attacker to remotely<\/a> compromise an affected system, potentially leading to unauthorized access, data leakage, or even complete system control.<\/p>\n<p><strong>Conceptual Example Code<\/strong><\/p><div id=\"ameeb-484179266\" 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 pseudocode provides a conceptual example of how the <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2023-47992-critical-buffer-overflow-vulnerability-exploit-in-freeimage-library\/\"  data-wpil-monitor-id=\"25590\">vulnerability might be exploited<\/a>:<\/p>\n<pre><code class=\"\" data-line=\"\">POST \/formQosManage_auto HTTP\/1.1\nHost: Tenda W9\nContent-Type: application\/json\n{ &quot;ssidIndex&quot;: &quot;A&quot;*1024 \/\/ Overflow the buffer with a long string }<\/code><\/pre>\n<p>In this example, the attacker sends a <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-6162-critical-buffer-overflow-vulnerability-in-totolink-ex1200t-http-post-request-handler\/\"  data-wpil-monitor-id=\"89632\">POST request<\/a> to the formQosManage_auto endpoint, overloading the &#8216;ssidIndex&#8217; argument with a string that&#8217;s too long for the buffer to handle. This causes a buffer overflow, which could potentially allow the attacker to <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-22937-critical-remote-code-execution-vulnerability\/\"  data-wpil-monitor-id=\"24868\">execute arbitrary code<\/a>.<\/p>\n<p><strong>Mitigation<\/strong><\/p>\n<p>The ideal <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2023-51063-understanding-and-mitigating-a-dom-based-xss-vulnerability-in-qstar-archive-solutions\/\"  data-wpil-monitor-id=\"27982\">mitigation strategy for this vulnerability<\/a> is to apply the vendor-supplied patch as soon as it becomes available. In cases where the vendor does not respond or if a patch is not available, using a Web Application Firewall (WAF) or Intrusion Detection System (IDS) can serve as a temporary mitigation method. These can detect and block potential <a href=\"https:\/\/www.ameeba.com\/blog\/unmasking-tcesb-malware-a-deep-analysis-of-active-attacks-exploiting-eset-security-scanner\/\"  data-wpil-monitor-id=\"26561\">attack attempts exploiting<\/a> this vulnerability. It&#8217;s also recommended to monitor any suspicious <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-37123-high-severity-privilege-escalation-vulnerability-in-hpe-aruba-networking-edgeconnect-sd-wan-gateways\/\"  data-wpil-monitor-id=\"89631\">network activity and to enforce the principle of least privilege<\/a>, thus limiting the potential impact of an exploit.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Overview In today&#8217;s digital age, cybersecurity threats are a constant concern for individuals and organizations alike. The latest vulnerability to be uncovered, CVE-2024-0538, is a critical security flaw found in Tenda W9 1.0.0.7(4456). This vulnerability can potentially compromise the entire system or lead to data leakage, thereby posing a significant risk to the security and [&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":[103],"product":[104],"attack_vector":[86,80],"asset_type":[],"severity":[],"exploit_status":[],"class_list":["post-21229","post","type-post","status-publish","format-standard","hentry","category-uncategorized","vendor-apache","product-apache-httpd","attack_vector-buffer-overflow","attack_vector-rce"],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/21229","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=21229"}],"version-history":[{"count":9,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/21229\/revisions"}],"predecessor-version":[{"id":82481,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/21229\/revisions\/82481"}],"wp:attachment":[{"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/media?parent=21229"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/categories?post=21229"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/tags?post=21229"},{"taxonomy":"vendor","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/vendor?post=21229"},{"taxonomy":"product","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/product?post=21229"},{"taxonomy":"attack_vector","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/attack_vector?post=21229"},{"taxonomy":"asset_type","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/asset_type?post=21229"},{"taxonomy":"severity","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/severity?post=21229"},{"taxonomy":"exploit_status","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/exploit_status?post=21229"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}