{"id":45100,"date":"2025-05-29T08:14:32","date_gmt":"2025-05-29T08:14:32","guid":{"rendered":""},"modified":"2025-10-22T19:05:11","modified_gmt":"2025-10-23T01:05:11","slug":"cve-2025-5080-critical-buffer-overflow-vulnerability-in-tenda-fh451-1-0-0-9","status":"publish","type":"post","link":"https:\/\/www.ameeba.com\/blog\/cve-2025-5080-critical-buffer-overflow-vulnerability-in-tenda-fh451-1-0-0-9\/","title":{"rendered":"<strong>CVE-2025-5080: Critical Buffer Overflow Vulnerability in Tenda FH451 1.0.0.9<\/strong>"},"content":{"rendered":"<p><strong>Overview<\/strong><\/p>\n<p>The cybersecurity landscape is continually evolving with new threats and vulnerabilities emerging every day. One such recent discovery is a critical vulnerability identified in the Tenda FH451 1.0.0.9. This vulnerability, labeled as CVE-2025-5080, <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-33066-heap-based-buffer-overflow-in-windows-rras-posing-serious-security-threats\/\"  data-wpil-monitor-id=\"60745\">poses a severe threat to the security<\/a> of systems that use the affected product. It primarily impacts the webExcptypemanFilter function of the file \/goform\/webExcptypemanFilter, potentially <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-4809-critical-vulnerability-in-tenda-ac7-router-leads-to-system-compromise\/\"  data-wpil-monitor-id=\"50575\">leading to system<\/a> compromise or data leakage. Given its <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2024-22190-critical-gitpython-vulnerability-exposes-windows-systems-to-potential-compromise\/\"  data-wpil-monitor-id=\"51321\">critical nature and the potential<\/a> for remote execution, this vulnerability warrants immediate attention and action.<\/p>\n<p><strong>Vulnerability Summary<\/strong><\/p>\n<p>CVE ID: CVE-2025-5080<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-2025-4759-incorrect-behavior-order-in-lockfile-lint-api-package-potentially-leading-to-system-compromise\/\"  data-wpil-monitor-id=\"51179\">Potential system<\/a> compromise or data leakage<\/p>\n<p><strong>Affected Products<\/strong><\/p><div id=\"ameeb-2292315837\" 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><a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-7805-critical-vulnerability-in-tenda-fh451-1-0-0-9-leading-to-remote-buffer-overflow-attacks\/\"  data-wpil-monitor-id=\"67628\">Tenda FH451<\/a> | 1.0.0.9<\/p>\n<p><strong>How the Exploit Works<\/strong><\/p>\n<p>The <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-32310-privilege-escalation-vulnerability-in-thememove-quickcal-due-to-csrf\/\"  data-wpil-monitor-id=\"50484\">vulnerability exists due<\/a> to insufficient input validation in the webExcptypemanFilter function of the file \/goform\/webExcptypemanFilter. An attacker can exploit this vulnerability by manipulating the &#8216;page&#8217; argument, causing a stack-based <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-4810-critical-remote-buffer-overflow-vulnerability-in-tenda-ac7\/\"  data-wpil-monitor-id=\"50644\">buffer overflow<\/a>. This exploitation can lead to <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2023-41075-high-risk-type-confusion-vulnerability-allowing-arbitrary-code-execution-with-kernel-privileges\/\"  data-wpil-monitor-id=\"51565\">arbitrary code execution<\/a>, system compromise, or data leakage, thereby having severe consequences.<\/p>\n<p><strong>Conceptual Example Code<\/strong><\/p><div id=\"ameeb-1713214075\" 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 vulnerability might be exploited:<\/p>\n<pre><code class=\"\" data-line=\"\">POST \/goform\/webExcptypemanFilter HTTP\/1.1\nHost: target.example.com\nContent-Type: application\/x-www-form-urlencoded\npage=AAAAAAAAAAAAAA...[long string of A&#039;s]...<\/code><\/pre>\n<p>In the above example, the &#8216;page&#8217; argument is flooded with an overly long string, causing a <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-4732-critical-buffer-overflow-vulnerability-in-totolink-a3002r-and-a3002ru\/\"  data-wpil-monitor-id=\"50767\">buffer overflow<\/a>. Note that this is a conceptual example, and actual exploitation would likely involve more sophisticated techniques, such as carefully crafting the payload to overwrite the return address with a malicious function&#8217;s address.<\/p>\n<p><strong>Mitigation Guidance<\/strong><\/p>\n<p>To mitigate the CVE-2025-5080 vulnerability, affected users should apply the vendor patch as soon as it becomes available. If an immediate patch is not available, using a Web Application Firewall (WAF) or Intrusion Detection System (IDS) can provide temporary mitigation. These systems can <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2023-32401-buffer-overflow-vulnerability-in-macos-leads-to-potential-arbitrary-code-execution\/\"  data-wpil-monitor-id=\"51627\">potentially block or alert on attempts to exploit this vulnerability<\/a>. However, these are not long-term solutions and should be used as a stop-gap while awaiting a patch from the vendor. Regular patching and updating of <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-7093-critical-vulnerability-in-belkin-f9k1122-1-00-33-impacting-system-security-and-data-integrity\/\"  data-wpil-monitor-id=\"91118\">systems is paramount in ensuring the security<\/a> of any system.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Overview The cybersecurity landscape is continually evolving with new threats and vulnerabilities emerging every day. One such recent discovery is a critical vulnerability identified in the Tenda FH451 1.0.0.9. This vulnerability, labeled as CVE-2025-5080, poses a severe threat to the security of systems that use the affected product. It primarily impacts the webExcptypemanFilter function of [&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-45100","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\/45100","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=45100"}],"version-history":[{"count":11,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/45100\/revisions"}],"predecessor-version":[{"id":84137,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/45100\/revisions\/84137"}],"wp:attachment":[{"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/media?parent=45100"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/categories?post=45100"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/tags?post=45100"},{"taxonomy":"vendor","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/vendor?post=45100"},{"taxonomy":"product","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/product?post=45100"},{"taxonomy":"attack_vector","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/attack_vector?post=45100"},{"taxonomy":"asset_type","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/asset_type?post=45100"},{"taxonomy":"severity","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/severity?post=45100"},{"taxonomy":"exploit_status","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/exploit_status?post=45100"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}