{"id":59294,"date":"2025-07-11T19:39:55","date_gmt":"2025-07-11T19:39:55","guid":{"rendered":""},"modified":"2025-09-04T22:36:58","modified_gmt":"2025-09-05T04:36:58","slug":"cve-2025-7090-critical-buffer-overflow-vulnerability-in-belkin-f9k1122-1-00-33","status":"publish","type":"post","link":"https:\/\/www.ameeba.com\/blog\/cve-2025-7090-critical-buffer-overflow-vulnerability-in-belkin-f9k1122-1-00-33\/","title":{"rendered":"<strong>CVE-2025-7090: Critical Buffer Overflow Vulnerability in Belkin F9K1122 1.00.33<\/strong>"},"content":{"rendered":"<p><strong>Overview<\/strong><\/p>\n<p>A recently discovered and publicly disclosed security vulnerability CVE-2025-7090 poses a significant risk to the users of Belkin F9K1122 1.00.33. This vulnerability, which is classified as critical, affects the function formConnectionSetting of the file \/goform\/formConnectionSetting of the webs component. It is of particular concern because it can <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-7793-critical-vulnerability-in-tenda-fh451-leading-to-system-compromise\/\"  data-wpil-monitor-id=\"68553\">lead to a system<\/a> compromise or data leakage, and the exploit has been disclosed publicly and can be launched remotely. This blog <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-24000-authentication-bypass-vulnerability-in-wpexperts-post-smtp-plugin\/\"  data-wpil-monitor-id=\"78997\">post aims to provide a comprehensive overview of this vulnerability<\/a>, its potential impact, and the recommended mitigation strategies.<\/p>\n<p><strong>Vulnerability Summary<\/strong><\/p>\n<p>CVE ID: CVE-2025-7090<br \/>\nSeverity: Critical (CVSS 8.8)<br \/>\nAttack Vector: Remote<br \/>\nPrivileges Required: None<br \/>\nUser Interaction: None<br \/>\nImpact: <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-21432-memory-corruption-vulnerability-resulting-in-potential-system-compromise-or-data-leakage\/\"  data-wpil-monitor-id=\"75199\">System compromise or data<\/a> leakage<\/p>\n<p><strong>Affected Products<\/strong><\/p><div id=\"ameeb-2841611596\" 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-2025-7092-critical-buffer-overflow-vulnerability-in-belkin-f9k1122-1-00-33\/\"  data-wpil-monitor-id=\"70843\">Belkin F9K1122<\/a> | 1.00.33<\/p>\n<p><strong>How the Exploit Works<\/strong><\/p>\n<p>The <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-53964-critical-file-manipulation-vulnerability-in-goldendict\/\"  data-wpil-monitor-id=\"67160\">vulnerability lies in the manipulation<\/a> of the argument max_Conn\/timeOut in the function formConnectionSetting. This manipulation <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-7460-critical-vulnerability-in-totolink-t6-leads-to-buffer-overflow\/\"  data-wpil-monitor-id=\"66888\">leads to a stack-based buffer<\/a> overflow, an error condition where the program attempts to put more data in a buffer than it can hold. This <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-46713-buffer-overflow-vulnerability-in-sandboxie-s-memory-allocation-subsystem\/\"  data-wpil-monitor-id=\"68552\">overflow can overwrite adjacent memory<\/a> locations and cause erratic program behavior, including memory access errors, incorrect results, program termination, or a breach of system security.<\/p>\n<p><strong>Conceptual Example Code<\/strong><\/p><div id=\"ameeb-3277557847\" 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 <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-49526-out-of-bounds-write-vulnerability-in-illustrator-leading-to-arbitrary-code-execution\/\"  data-wpil-monitor-id=\"75198\">illustrates a conceptual example of how the vulnerability<\/a> might be exploited:<\/p>\n<pre><code class=\"\" data-line=\"\">POST \/goform\/formConnectionSetting HTTP\/1.1\nHost: target.example.com\nContent-Type: application\/x-www-form-urlencoded\nmax_Conn=timeOut&amp;value=AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA...<\/code><\/pre>\n<p>In this example, the attacker sends an HTTP POST request with an oversized value for the max_Conn\/timeOut argument, causing a <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-8168-critical-buffer-overflow-vulnerability-in-d-link-dir-513-1-10\/\"  data-wpil-monitor-id=\"67096\">buffer overflow<\/a>.<\/p>\n<p><strong>Mitigation Guidance<\/strong><\/p>\n<p>Users are advised to apply the vendor patch as soon as it becomes available. In the meantime, using a Web Application Firewall (WAF) or Intrusion Detection System (IDS) can provide temporary mitigation. Note that these are not long-term <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-52376-authentication-bypass-vulnerability-in-nexxt-solutions-ncm-x1800-mesh-router\/\"  data-wpil-monitor-id=\"75484\">solutions and do not fix the underlying vulnerability<\/a>, but they can help protect against exploitation while a patch is developed. The vendor was contacted early about this disclosure but did not respond in any way, emphasizing the importance of implementing interim defensive measures.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Overview A recently discovered and publicly disclosed security vulnerability CVE-2025-7090 poses a significant risk to the users of Belkin F9K1122 1.00.33. This vulnerability, which is classified as critical, affects the function formConnectionSetting of the file \/goform\/formConnectionSetting of the webs component. It is of particular concern because it can lead to a system compromise or data [&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],"asset_type":[],"severity":[],"exploit_status":[],"class_list":["post-59294","post","type-post","status-publish","format-standard","hentry","category-uncategorized","attack_vector-buffer-overflow"],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/59294","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=59294"}],"version-history":[{"count":8,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/59294\/revisions"}],"predecessor-version":[{"id":71398,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/59294\/revisions\/71398"}],"wp:attachment":[{"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/media?parent=59294"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/categories?post=59294"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/tags?post=59294"},{"taxonomy":"vendor","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/vendor?post=59294"},{"taxonomy":"product","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/product?post=59294"},{"taxonomy":"attack_vector","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/attack_vector?post=59294"},{"taxonomy":"asset_type","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/asset_type?post=59294"},{"taxonomy":"severity","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/severity?post=59294"},{"taxonomy":"exploit_status","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/exploit_status?post=59294"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}