{"id":21095,"date":"2025-04-10T22:49:51","date_gmt":"2025-04-10T22:49:51","guid":{"rendered":""},"modified":"2025-04-23T18:08:46","modified_gmt":"2025-04-23T18:08:46","slug":"cve-2024-0537-critical-remote-buffer-overflow-vulnerability-in-tenda-w9-1-0-0-7-4456","status":"publish","type":"post","link":"https:\/\/www.ameeba.com\/blog\/cve-2024-0537-critical-remote-buffer-overflow-vulnerability-in-tenda-w9-1-0-0-7-4456\/","title":{"rendered":"<strong>CVE-2024-0537: Critical Remote Buffer Overflow Vulnerability in Tenda W9 1.0.0.7(4456)<\/strong>"},"content":{"rendered":"<p><strong>Overview<\/strong><\/p>\n<p>A critical vulnerability, identified as CVE-2024-0537, has been discovered in the Tenda W9 1.0.0.7(4456) router. This vulnerability affects the function setWrlBasicInfo of the component httpd. The CVE-2024-0537 <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2024-21625-critical-remote-code-execution-vulnerability-in-network-protocol\/\"  data-wpil-monitor-id=\"24236\">vulnerability is particularly concerning as it can be exploited remotely<\/a>, which means that an attacker does not need to be on the same local network as the vulnerable device to exploit it. This makes it a prime target for hackers looking to <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2023-33114-npu-memory-corruption-leading-to-potential-system-compromise-or-data-leakage\/\"  data-wpil-monitor-id=\"31875\">compromise systems or steal sensitive data<\/a>.<\/p>\n<p><strong>Vulnerability Summary<\/strong><\/p>\n<p>CVE ID: CVE-2024-0537<br \/>\nSeverity: Critical (8.8)<br \/>\nAttack Vector: Remote<br \/>\nPrivileges Required: None<br \/>\nUser Interaction: None<br \/>\nImpact: <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2024-0573-critical-vulnerability-in-totolink-lr1200gb-leading-to-potential-system-compromise\/\"  data-wpil-monitor-id=\"29044\">Potential system<\/a> compromise or data leakage<\/p>\n<p><strong>Affected Products<\/strong><\/p><div id=\"ameeb-76455603\" 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 W9 1.0.0.7(4456) | All versions<\/p>\n<p><strong>How the Exploit Works<\/strong><\/p>\n<p>The CVE-2024-0537 vulnerability is a stack-based <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-3011-uncovering-the-dangers-of-a-sophisticated-buffer-overflow-attack\/\"  data-wpil-monitor-id=\"24176\">buffer overflow<\/a> vulnerability, which occurs when the argument ssidIndex is manipulated in the setWrlBasicInfo function of the httpd component. An attacker who exploits this vulnerability can cause the application to crash, potentially allowing them to <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=\"24558\">execute arbitrary code<\/a> or gain unauthorized access to the system.<\/p>\n<p><strong>Conceptual Example Code<\/strong><\/p><div id=\"ameeb-973353294\" 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>Below is a conceptual example of how this <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2023-47992-critical-buffer-overflow-vulnerability-exploit-in-freeimage-library\/\"  data-wpil-monitor-id=\"25571\">vulnerability might be exploited<\/a>. In this example, an HTTP POST request is sent to the router with a malicious payload designed to <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2023-41288-critical-buffer-overflow-vulnerability-in-openssh\/\"  data-wpil-monitor-id=\"24178\">overflow the buffer<\/a> and potentially allow for the execution of arbitrary code.<\/p>\n<pre><code class=\"\" data-line=\"\">POST \/setWrlBasicInfo HTTP\/1.1\nHost: target.example.com\nContent-Type: application\/json\n{ &quot;ssidIndex&quot;: &quot;A&quot;*5000 }<\/code><\/pre>\n<p>In the above request, the ssidIndex is filled with a large number of &#8220;A&#8221; characters, which could potentially <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2023-52150-unmasking-the-buffer-overflow-vulnerability\/\"  data-wpil-monitor-id=\"24193\">overflow the buffer<\/a> and lead to the execution of arbitrary code.<br \/>\nPlease note that this is a conceptual example, and the actual <a href=\"https:\/\/www.ameeba.com\/blog\/new-cybersecurity-exploit-targets-atomic-and-exodus-wallets-a-deep-dive-into-the-recent-attack\/\"  data-wpil-monitor-id=\"27158\">exploitation may vary based on the specifics of the target<\/a> system and the attacker&#8217;s objectives.<\/p>\n<p><strong>Mitigation Guidance<\/strong><\/p>\n<p>The best way to <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-31491-critical-vulnerability-in-autogpt-leads-to-leakage-of-cross-domain-cookies-and-protected-headers\/\"  data-wpil-monitor-id=\"34252\">protect against this vulnerability<\/a> is to apply the vendor-supplied patch. However, if a patch is not available or cannot be applied immediately, a Web Application Firewall (WAF) or Intrusion Detection System (IDS) can be used as temporary mitigation. It&#8217;s also recommended to monitor network traffic for any unusual activity or spikes, which could indicate an <a href=\"https:\/\/www.ameeba.com\/blog\/microsoft-s-recent-patch-a-detailed-analysis-of-the-126-flaws-and-the-actively-exploited-windows-clfs-vulnerability\/\"  data-wpil-monitor-id=\"26132\">active exploit<\/a> attempt.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Overview A critical vulnerability, identified as CVE-2024-0537, has been discovered in the Tenda W9 1.0.0.7(4456) router. This vulnerability affects the function setWrlBasicInfo of the component httpd. The CVE-2024-0537 vulnerability is particularly concerning as it can be exploited remotely, which means that an attacker does not need to be on the same local network as 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":[103],"product":[104],"attack_vector":[86],"asset_type":[],"severity":[],"exploit_status":[],"class_list":["post-21095","post","type-post","status-publish","format-standard","hentry","category-uncategorized","vendor-apache","product-apache-httpd","attack_vector-buffer-overflow"],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/21095","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=21095"}],"version-history":[{"count":12,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/21095\/revisions"}],"predecessor-version":[{"id":30037,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/21095\/revisions\/30037"}],"wp:attachment":[{"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/media?parent=21095"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/categories?post=21095"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/tags?post=21095"},{"taxonomy":"vendor","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/vendor?post=21095"},{"taxonomy":"product","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/product?post=21095"},{"taxonomy":"attack_vector","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/attack_vector?post=21095"},{"taxonomy":"asset_type","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/asset_type?post=21095"},{"taxonomy":"severity","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/severity?post=21095"},{"taxonomy":"exploit_status","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/exploit_status?post=21095"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}