{"id":55681,"date":"2025-06-28T05:20:04","date_gmt":"2025-06-28T05:20:04","guid":{"rendered":""},"modified":"2025-09-11T20:15:50","modified_gmt":"2025-09-12T02:15:50","slug":"cve-2025-6374-critical-vulnerability-in-d-link-dir-619l-leading-to-stack-based-buffer-overflow","status":"publish","type":"post","link":"https:\/\/www.ameeba.com\/blog\/cve-2025-6374-critical-vulnerability-in-d-link-dir-619l-leading-to-stack-based-buffer-overflow\/","title":{"rendered":"<strong>CVE-2025-6374: Critical Vulnerability in D-Link DIR-619L Leading to Stack-Based Buffer Overflow<\/strong>"},"content":{"rendered":"<p><strong>Overview<\/strong><\/p>\n<p>The digital world is increasingly becoming a playground for cybercriminals, and with this comes the urgent need to shed light on potential system vulnerabilities. This blog post focuses on the critical vulnerability found in D-Link DIR-619L 2.06B01, identified as CVE-2025-6374. This <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-43245-critical-downgrade-issue-affecting-multiple-macos-versions\/\"  data-wpil-monitor-id=\"81789\">issue affects<\/a> the function formSetACLFilter of the file \/goform\/formSetACLFilter. It is a matter of significant concern due to its <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-49091-remote-code-execution-due-to-kde-konsole-url-scheme-handler-vulnerability\/\"  data-wpil-monitor-id=\"62060\">critical<\/a> severity rating and the potential for remote initiation of an exploit, leading to system compromise or data leakage.<\/p>\n<p><strong>Vulnerability Summary<\/strong><\/p>\n<p>CVE ID: CVE-2025-6374<br \/>\nSeverity: Critical (8.8 CVSS Score)<br \/>\nAttack Vector: Remote (Network)<br \/>\nPrivileges Required: None<br \/>\nUser Interaction: None<br \/>\nImpact: <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-49415-path-traversal-vulnerability-in-fw-gallery-with-potential-for-system-compromise\/\"  data-wpil-monitor-id=\"62448\">Potential system<\/a> compromise or data leakage<\/p>\n<p><strong>Affected Products<\/strong><\/p><div id=\"ameeb-11039250\" 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-2025-6370-critical-vulnerability-in-d-link-dir-619l-2-06b01-leading-to-potential-system-compromise\/\"  data-wpil-monitor-id=\"63371\">D-Link DIR-619L | 2.06B01<\/a><\/p>\n<p><strong>How the Exploit Works<\/strong><\/p>\n<p>The <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-39475-path-traversal-vulnerability-leading-to-php-local-file-inclusion-in-frenify-arlo\/\"  data-wpil-monitor-id=\"62031\">vulnerability lies within the formSetACLFilter function of the file<\/a> \/goform\/formSetACLFilter. The improper handling of the &#8216;curTime&#8217; argument leads to a stack-based <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-6147-critical-buffer-overflow-vulnerability-in-totolink-a702r-router\/\"  data-wpil-monitor-id=\"62013\">buffer overflow<\/a>. This <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-6151-critical-remote-buffer-overflow-vulnerability-in-tp-link-tl-wr940n\/\"  data-wpil-monitor-id=\"62114\">overflow can be manipulated remotely<\/a>, leading to potential system compromise or data leakage. The exploit has been disclosed publicly, increasing the risk of its usage by malicious actors.<\/p>\n<p><strong>Conceptual Example Code<\/strong><\/p><div id=\"ameeb-2134992028\" 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 below 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=\"75137\">illustrates how an attacker might exploit this vulnerability<\/a>:<\/p>\n<pre><code class=\"\" data-line=\"\">POST \/goform\/formSetACLFilter HTTP\/1.1\nHost: target.example.com\nContent-Type: application\/x-www-form-urlencoded\ncurTime=AAAAAAAA... (a long string that triggers the stack-based buffer overflow)<\/code><\/pre>\n<p>In the above code, the &#8216;curTime&#8217; parameter is given a long string of &#8216;A&#8217;s that could potentially <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-6146-critical-buffer-overflow-vulnerability-in-totolink-x15\/\"  data-wpil-monitor-id=\"62016\">overflow the stack buffer<\/a>, leading to the execution of arbitrary code or crashing the system.<\/p>\n<p><strong>Mitigation Guidance<\/strong><\/p>\n<p>Due to the <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-49146-critical-channel-binding-authentication-vulnerability-in-postgresql-jdbc-driver\/\"  data-wpil-monitor-id=\"62007\">critical nature of this vulnerability<\/a>, it is essential to take mitigation steps immediately. If a vendor patch is available, it should be applied without delay. If no patch is available, the use of a Web Application Firewall (WAF) or Intrusion Detection System (IDS) can offer temporary mitigation. However, note that this <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-6001-cross-site-request-forgery-vulnerability-in-virtuemart-product-image-upload-function\/\"  data-wpil-monitor-id=\"62154\">vulnerability affects products<\/a> that are no longer supported by the manufacturer, highlighting the importance of keeping software and devices up-to-date and maintained.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Overview The digital world is increasingly becoming a playground for cybercriminals, and with this comes the urgent need to shed light on potential system vulnerabilities. This blog post focuses on the critical vulnerability found in D-Link DIR-619L 2.06B01, identified as CVE-2025-6374. This issue affects the function formSetACLFilter of the file \/goform\/formSetACLFilter. It is a matter [&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-55681","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\/55681","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=55681"}],"version-history":[{"count":11,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/55681\/revisions"}],"predecessor-version":[{"id":74250,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/55681\/revisions\/74250"}],"wp:attachment":[{"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/media?parent=55681"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/categories?post=55681"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/tags?post=55681"},{"taxonomy":"vendor","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/vendor?post=55681"},{"taxonomy":"product","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/product?post=55681"},{"taxonomy":"attack_vector","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/attack_vector?post=55681"},{"taxonomy":"asset_type","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/asset_type?post=55681"},{"taxonomy":"severity","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/severity?post=55681"},{"taxonomy":"exploit_status","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/exploit_status?post=55681"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}