{"id":55495,"date":"2025-06-27T17:15:29","date_gmt":"2025-06-27T17:15:29","guid":{"rendered":""},"modified":"2025-07-03T17:18:02","modified_gmt":"2025-07-03T23:18:02","slug":"cve-2025-6369-critical-buffer-overflow-vulnerability-in-d-link-dir-619l","status":"publish","type":"post","link":"https:\/\/www.ameeba.com\/blog\/cve-2025-6369-critical-buffer-overflow-vulnerability-in-d-link-dir-619l\/","title":{"rendered":"<strong>CVE-2025-6369: Critical Buffer Overflow Vulnerability in D-Link DIR-619L<\/strong>"},"content":{"rendered":"<p><strong>Overview<\/strong><\/p>\n<p>The world of cybersecurity is a constantly evolving battlefield, with vulnerabilities being discovered, patched, and exploited on a daily basis. One such critical vulnerability has been identified in the D-Link DIR-619L 2.06B01, a product that is no longer supported by its maintainer. This vulnerability, classified as a stack-based <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-6121-critical-buffer-overflow-vulnerability-in-d-link-dir-632-fw103b08\/\"  data-wpil-monitor-id=\"61821\">buffer overflow<\/a>, can be exploited remotely and can potentially lead to system compromise or data leakage. Given the <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-49282-high-severity-remote-file-inclusion-vulnerability-in-unfoldwp-magze\/\"  data-wpil-monitor-id=\"62310\">severity of this vulnerability<\/a> and the potential damage it could cause, it is imperative that users take immediate steps to mitigate its impact.<\/p>\n<p><strong>Vulnerability Summary<\/strong><\/p>\n<p>CVE ID: CVE-2025-6369<br \/>\nSeverity: Critical (8.8 CVSS Severity Score)<br \/>\nAttack Vector: Remote<br \/>\nPrivileges Required: None<br \/>\nUser Interaction: Not Required<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=\"62591\">Potential system<\/a> compromise or data leakage<\/p>\n<p><strong>Affected Products<\/strong><\/p><div id=\"ameeb-4196317554\" 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=\"63382\">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-2025-36631-critical-file-overwrite-vulnerability-in-tenable-agent\/\"  data-wpil-monitor-id=\"61868\">vulnerability resides in the &#8216;formdumpeasysetup&#8217; function of the &#8216;\/goform\/formdumpeasysetup&#8217; file<\/a>. It is triggered when the &#8216;curTime\/config.save_network_enabled&#8217; argument is manipulated. This manipulation <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-32717-heap-based-buffer-overflow-in-microsoft-office-word-leading-to-unauthorized-code-execution\/\"  data-wpil-monitor-id=\"61826\">leads to a buffer overflow<\/a>, a situation where more data is written into a block of memory (buffer) than it can hold. As the overflowed data corrupts adjacent memory spaces, it can cause erratic program behavior, crashes, or even the <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-47164-code-execution-vulnerability-in-microsoft-office-via-use-after-free-error\/\"  data-wpil-monitor-id=\"61841\">execution of malicious code<\/a>.<\/p>\n<p><strong>Conceptual Example Code<\/strong><\/p><div id=\"ameeb-3419542345\" 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 is a conceptual example of how this vulnerability might be exploited. This pseudocode represents a malicious HTTP request that manipulates the &#8216;curTime\/config.save_network_enabled&#8217; argument, triggering the <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-6128-critical-buffer-overflow-vulnerability-in-totolink-ex1200t\/\"  data-wpil-monitor-id=\"61884\">buffer overflow<\/a>:<\/p>\n<pre><code class=\"\" data-line=\"\">POST \/goform\/formdumpeasysetup HTTP\/1.1\nHost: vulnerableDLinkDevice.example.com\nContent-Type: application\/json\n{ &quot;curTime&quot;: &quot;1234567890&quot;, &quot;config.save_network_enabled&quot;: &quot;malicious_overflow_string_here&quot; }<\/code><\/pre>\n<p>Remember, this is a conceptual example and the actual exploit might be much more complex, involving specific <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-49847-buffer-overflow-vulnerability-in-llama-cpp-leading-to-potential-code-execution\/\"  data-wpil-monitor-id=\"62590\">overflow strings and potential shell code<\/a> for system compromise.<br \/>\nIt&#8217;s important to note that this <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-48125-high-risk-php-remote-file-inclusion-vulnerability-in-wp-event-manager\/\"  data-wpil-monitor-id=\"61901\">vulnerability can be exploited remotely<\/a> without user interaction or elevated privileges. Therefore, all users of the affected <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=\"62157\">product should take immediate steps to mitigate this vulnerability<\/a>, such as applying vendor patches or using a Web Application Firewall (WAF) or Intrusion Detection System (IDS) as a temporary solution.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Overview The world of cybersecurity is a constantly evolving battlefield, with vulnerabilities being discovered, patched, and exploited on a daily basis. One such critical vulnerability has been identified in the D-Link DIR-619L 2.06B01, a product that is no longer supported by its maintainer. This vulnerability, classified as a stack-based buffer overflow, can be exploited remotely [&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-55495","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\/55495","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=55495"}],"version-history":[{"count":10,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/55495\/revisions"}],"predecessor-version":[{"id":56950,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/55495\/revisions\/56950"}],"wp:attachment":[{"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/media?parent=55495"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/categories?post=55495"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/tags?post=55495"},{"taxonomy":"vendor","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/vendor?post=55495"},{"taxonomy":"product","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/product?post=55495"},{"taxonomy":"attack_vector","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/attack_vector?post=55495"},{"taxonomy":"asset_type","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/asset_type?post=55495"},{"taxonomy":"severity","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/severity?post=55495"},{"taxonomy":"exploit_status","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/exploit_status?post=55495"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}