{"id":59242,"date":"2025-07-11T14:37:43","date_gmt":"2025-07-11T14:37:43","guid":{"rendered":""},"modified":"2025-08-09T06:07:02","modified_gmt":"2025-08-09T12:07:02","slug":"cve-2025-7085-critical-stack-based-buffer-overflow-vulnerability-in-belkin-f9k1122","status":"publish","type":"post","link":"https:\/\/www.ameeba.com\/blog\/cve-2025-7085-critical-stack-based-buffer-overflow-vulnerability-in-belkin-f9k1122\/","title":{"rendered":"<strong>CVE-2025-7085: Critical Stack-based Buffer Overflow Vulnerability in Belkin F9K1122<\/strong>"},"content":{"rendered":"<p><strong>Overview<\/strong><\/p>\n<p>In the world of cybersecurity, vulnerabilities are constantly being discovered and mitigated. One such vulnerability, CVE-2025-7085, is a particularly critical one that affects the Belkin F9K1122, a widely-used networking device. This <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-40600-severe-externally-controlled-format-string-vulnerability-in-sonicos-ssl-vpn-interface\/\"  data-wpil-monitor-id=\"69765\">vulnerability is noteworthy due to its severity<\/a> and the potential for remote exploitation, making it a significant concern for any organization or individual using the affected device. This vulnerability, if exploited, could <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-7027-critical-firmware-vulnerability-enabling-arbitrary-memory-writes-leading-to-potential-system-compromise\/\"  data-wpil-monitor-id=\"69768\">lead to a complete system compromise and potential<\/a> data leakage, amplifying its importance and the necessity for immediate mitigation.<\/p>\n<p><strong>Vulnerability Summary<\/strong><\/p>\n<p>CVE ID: CVE-2025-7085<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-2025-46334-critical-vulnerability-in-git-gui-enables-potential-system-compromise\/\"  data-wpil-monitor-id=\"70795\">Potential system<\/a> compromise and data leakage<\/p>\n<p><strong>Affected Products<\/strong><\/p><div id=\"ameeb-2820823865\" 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-2025-7090-critical-buffer-overflow-vulnerability-in-belkin-f9k1122-1-00-33\/\"  data-wpil-monitor-id=\"70794\">Belkin F9K1122<\/a> |  1.00.33<\/p>\n<p><strong>How the Exploit Works<\/strong><\/p>\n<p>The exploit takes advantage of a stack-based buffer overflow <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-24769-php-remote-file-inclusion-vulnerability-in-bzotheme-zenny\/\"  data-wpil-monitor-id=\"65802\">vulnerability in the formiNICWpsStart function of the \/goform\/formiNICWpsStart file<\/a>. The attacker can remotely manipulate the &#8216;pinCode&#8217; argument, causing an <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-6881-critical-buffer-overflow-vulnerability-in-d-link-di-8100\/\"  data-wpil-monitor-id=\"65830\">overflow in the stack buffer<\/a>. As a result, an attacker can <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-54416-arbitrary-command-execution-vulnerability-in-tj-actions-branch-names-github-action\/\"  data-wpil-monitor-id=\"69767\">execute arbitrary<\/a> code within the context of the device, potentially leading to full system compromise.<\/p>\n<p><strong>Conceptual Example Code<\/strong><\/p><div id=\"ameeb-2263455704\" 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>An attacker might exploit this <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-52726-incorrect-privilege-assignment-vulnerability-in-pebas-couponxxl-custom-post-types\/\"  data-wpil-monitor-id=\"65819\">vulnerability by sending a specially crafted HTTP POST<\/a> request, which could look something like this:<\/p>\n<pre><code class=\"\" data-line=\"\">POST \/goform\/formiNICWpsStart HTTP\/1.1\nHost: target.example.com\nContent-Type: application\/x-www-form-urlencoded\npinCode=11111111AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA...[additional A&#039;s to overflow buffer]<\/code><\/pre>\n<p>In this conceptual example, the &#8216;pinCode&#8217; argument is filled with an excessive number of &#8216;A&#8217; characters, causing a <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-6882-critical-buffer-overflow-vulnerability-in-d-link-dir-513-1-0\/\"  data-wpil-monitor-id=\"65836\">buffer overflow<\/a>.<\/p>\n<p><strong>Recommended Mitigation<\/strong><\/p>\n<p>Given the <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-28990-critical-php-local-file-inclusion-vulnerability-in-sns-vicky\/\"  data-wpil-monitor-id=\"65812\">criticality of this vulnerability<\/a>, immediate action is recommended. In the absence of a vendor patch, <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-50738-memos-application-vulnerability-allows-for-unauthorized-user-information-disclosure\/\"  data-wpil-monitor-id=\"69766\">users should implement a Web Application<\/a> Firewall (WAF) or an Intrusion Detection System (IDS) as a temporary mitigation measure. The WAF or IDS can be configured to block or alert on <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-8243-critical-buffer-overflow-vulnerability-in-totolink-x15-http-post-request-handler\/\"  data-wpil-monitor-id=\"69769\">HTTP POST requests<\/a> to \/goform\/formiNICWpsStart that contain an excessively long &#8216;pinCode&#8217; argument. It&#8217;s important to note that these are temporary measures and users should apply the vendor patch as soon as it becomes available.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Overview In the world of cybersecurity, vulnerabilities are constantly being discovered and mitigated. One such vulnerability, CVE-2025-7085, is a particularly critical one that affects the Belkin F9K1122, a widely-used networking device. This vulnerability is noteworthy due to its severity and the potential for remote exploitation, making it a significant concern for any organization or individual [&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-59242","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\/59242","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=59242"}],"version-history":[{"count":7,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/59242\/revisions"}],"predecessor-version":[{"id":63411,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/59242\/revisions\/63411"}],"wp:attachment":[{"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/media?parent=59242"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/categories?post=59242"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/tags?post=59242"},{"taxonomy":"vendor","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/vendor?post=59242"},{"taxonomy":"product","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/product?post=59242"},{"taxonomy":"attack_vector","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/attack_vector?post=59242"},{"taxonomy":"asset_type","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/asset_type?post=59242"},{"taxonomy":"severity","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/severity?post=59242"},{"taxonomy":"exploit_status","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/exploit_status?post=59242"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}