{"id":56515,"date":"2025-07-01T20:55:48","date_gmt":"2025-07-01T20:55:48","guid":{"rendered":""},"modified":"2025-08-31T06:32:29","modified_gmt":"2025-08-31T12:32:29","slug":"cve-2025-6617-critical-stack-based-buffer-overflow-vulnerability-in-d-link-dir-619l","status":"publish","type":"post","link":"https:\/\/www.ameeba.com\/blog\/cve-2025-6617-critical-stack-based-buffer-overflow-vulnerability-in-d-link-dir-619l\/","title":{"rendered":"<strong>CVE-2025-6617: Critical Stack-Based Buffer Overflow Vulnerability in D-Link DIR-619L<\/strong>"},"content":{"rendered":"<p><strong>Overview<\/strong><\/p>\n<p>In the evolving landscape of cybersecurity, a critical vulnerability has been discovered in the D-Link DIR-619L 2.06B01. This vulnerability, identified as CVE-2025-6617, poses a significant threat to the affected devices. The <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-6336-critical-buffer-overflow-vulnerability-in-totolink-ex1200t-router\/\"  data-wpil-monitor-id=\"62921\">vulnerability is classified as a stack-based buffer overflow<\/a> and can be exploited remotely, leading to a potential system compromise or even data leakage. It&#8217;s important to note that this <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-4855-unauthorized-access-vulnerability-in-support-board-plugin-for-wordpress\/\"  data-wpil-monitor-id=\"70972\">vulnerability only affects products that are no longer supported<\/a> by the maintainer, which unfortunately means that the scope for remediation from the vendor is limited.<\/p>\n<p><strong>Vulnerability Summary<\/strong><\/p>\n<p>CVE ID: CVE-2025-6617<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-2025-32878-critical-vulnerability-in-coros-pace-3-devices-leads-to-potential-system-compromise\/\"  data-wpil-monitor-id=\"63196\">Potential system<\/a> compromise and data leakage<\/p>\n<p><strong>Affected Products<\/strong><\/p><div id=\"ameeb-3775056157\" 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=\"63380\">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-2025-4981-critical-file-extraction-vulnerability-in-mattermost-leading-to-potential-remote-code-execution\/\"  data-wpil-monitor-id=\"63075\">vulnerability resides in the function formAdvanceSetup of the file<\/a> \/goform\/formAdvanceSetup. The manipulation of the argument webpage in this function leads to a stack-based <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-6337-critical-buffer-overflow-vulnerability-in-totolink-routers\/\"  data-wpil-monitor-id=\"62925\">buffer overflow<\/a>. This means that an attacker can <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-6291-d-link-dir-825-critical-stack-based-buffer-overflow-vulnerability\/\"  data-wpil-monitor-id=\"63010\">overflow the buffer<\/a> with arbitrary data, which can overwrite the return address and divert the execution flow, potentially leading to remote code execution on the device.<\/p>\n<p><strong>Conceptual Example Code<\/strong><\/p><div id=\"ameeb-3758811646\" 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>In a possible exploit scenario, an attacker might send a specially crafted HTTP POST request to the vulnerable endpoint, <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-6302-critical-remote-stack-based-buffer-overflow-vulnerability-in-totolink-ex1200t\/\"  data-wpil-monitor-id=\"63015\">overflowing the buffer<\/a> and gaining control of the execution flow. The conceptual example might look something like this:<\/p>\n<pre><code class=\"\" data-line=\"\">POST \/goform\/formAdvanceSetup HTTP\/1.1\nHost: target.example.com\nContent-Type: application\/x-www-form-urlencoded\nwebpage=AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA... [Add more &#039;A&#039;s to overflow the buffer]<\/code><\/pre>\n<p>In this example, the &#8216;A&#8217;s (which in ASCII is 0x41) are used to fill up the <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-6328-critical-remote-stack-based-buffer-overflow-vulnerability-in-d-link-dir-815-1-01\/\"  data-wpil-monitor-id=\"63021\">buffer and overflow<\/a> it, potentially overwriting the return address with the attacker&#8217;s desired value, leading to arbitrary code execution.<\/p>\n<p><strong>Mitigation<\/strong><\/p>\n<p>Given that the affected products are no longer supported by the maintainer, it is highly recommended to replace these devices with newer, supported models if possible. As a temporary mitigation, you could use a Web Application Firewall (WAF) or Intrusion Detection System (IDS) to detect and <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-8059-critical-privilege-escalation-vulnerability-in-b-blocks-wordpress-plugin\/\"  data-wpil-monitor-id=\"76423\">block attempts to exploit this vulnerability<\/a>. If a vendor patch becomes available, apply it immediately to prevent <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-6510-critical-vulnerability-in-netgear-ex6100-leading-to-potential-system-compromise\/\"  data-wpil-monitor-id=\"63649\">potential exploitation of this vulnerability<\/a>.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Overview In the evolving landscape of cybersecurity, a critical vulnerability has been discovered in the D-Link DIR-619L 2.06B01. This vulnerability, identified as CVE-2025-6617, poses a significant threat to the affected devices. The vulnerability is classified as a stack-based buffer overflow and can be exploited remotely, leading to a potential system compromise or even data leakage. [&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-56515","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\/56515","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=56515"}],"version-history":[{"count":11,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/56515\/revisions"}],"predecessor-version":[{"id":68868,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/56515\/revisions\/68868"}],"wp:attachment":[{"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/media?parent=56515"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/categories?post=56515"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/tags?post=56515"},{"taxonomy":"vendor","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/vendor?post=56515"},{"taxonomy":"product","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/product?post=56515"},{"taxonomy":"attack_vector","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/attack_vector?post=56515"},{"taxonomy":"asset_type","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/asset_type?post=56515"},{"taxonomy":"severity","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/severity?post=56515"},{"taxonomy":"exploit_status","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/exploit_status?post=56515"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}