{"id":51104,"date":"2025-06-11T09:23:50","date_gmt":"2025-06-11T09:23:50","guid":{"rendered":""},"modified":"2025-06-14T19:56:40","modified_gmt":"2025-06-15T01:56:40","slug":"cve-2025-5624-critical-stack-based-buffer-overflow-vulnerability-in-d-link-dir-816-1-10cnb05","status":"publish","type":"post","link":"https:\/\/www.ameeba.com\/blog\/cve-2025-5624-critical-stack-based-buffer-overflow-vulnerability-in-d-link-dir-816-1-10cnb05\/","title":{"rendered":"<strong>CVE-2025-5624: Critical Stack-Based Buffer Overflow Vulnerability in D-Link DIR-816 1.10CNB05<\/strong>"},"content":{"rendered":"<p><strong>Overview<\/strong><\/p>\n<p>In the ever-evolving landscape of cybersecurity, a critical vulnerability has been discovered in the D-Link DIR-816 version 1.10CNB05. This vulnerability, termed as CVE-2025-5624, pertains to a stack-based buffer overflow that can potentially lead to system compromise or data leakage. It affects the QoSPortSetup function of the \/goform\/QoSPortSetup file. The <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-37838-use-after-free-vulnerability-in-linux-kernel-s-ssi-protocol-driver-due-to-race-condition\/\"  data-wpil-monitor-id=\"57726\">vulnerability is of grave concern due<\/a> to its high severity, remote attack capability, and the fact that it affects products that are no longer supported by the maintainer.<\/p>\n<p><strong>Vulnerability Summary<\/strong><\/p>\n<p>CVE ID: CVE-2025-5624<br \/>\nSeverity: Critical &#8211; 9.8 CVSS v3<br \/>\nAttack Vector: Network<br \/>\nPrivileges Required: None<br \/>\nUser Interaction: None<br \/>\nImpact: <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2024-45565-memory-corruption-vulnerability-leading-to-potential-system-compromise-or-data-leakage\/\"  data-wpil-monitor-id=\"58362\">System Compromise<\/a>, Data Leakage<\/p>\n<p><strong>Affected Products<\/strong><\/p><div id=\"ameeb-772516224\" 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-2025-5623-a-critical-stack-based-buffer-overflow-vulnerability-in-d-link-dir-816-1-10cnb05\/\"  data-wpil-monitor-id=\"59122\">D-Link DIR-816<\/a> | 1.10CNB05<\/p>\n<p><strong>How the Exploit Works<\/strong><\/p>\n<p>The exploit works by manipulating the argument port0_group\/port0_remarker\/ssid0_group\/ssid0_remarker in the QoSPortSetup function of the \/goform\/QoSPortSetup file. This manipulation leads to a stack-based <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-29625-critical-buffer-overflow-vulnerability-in-astrolog-v7-70\/\"  data-wpil-monitor-id=\"57633\">buffer overflow<\/a>, which in turn can lead to system compromise or data leakage. The <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-3755-unauthenticated-remote-attack-on-mitsubishi-electric-melsec-iq-f-series-cpu-modules\/\"  data-wpil-monitor-id=\"58361\">attack can be initiated remotely<\/a>, and hence poses a significant threat to the affected systems.<\/p>\n<p><strong>Conceptual Example Code<\/strong><\/p><div id=\"ameeb-3370700249\" 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>Below is a conceptual example of how the vulnerability might be exploited. This example represents a malicious HTTP request that might be used to trigger the <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-22884-buffer-overflow-vulnerability-in-delta-electronics-ispsoft\/\"  data-wpil-monitor-id=\"57757\">buffer overflow<\/a>:<\/p>\n<pre><code class=\"\" data-line=\"\">POST \/goform\/QoSPortSetup HTTP\/1.1\nHost: target.example.com\nContent-Type: application\/x-www-form-urlencoded\nport0_group=AAAAAAAA...AAAA&amp;port0_remarker=BBBBBBBB...BBBB&amp;ssid0_group=CCCCCCCC...CCCC&amp;ssid0_remarker=DDDDDDDD...DDDD<\/code><\/pre>\n<p>In the above example, &#8216;A&#8217;, &#8216;B&#8217;, &#8216;C&#8217;, and &#8216;D&#8217; represent an excessive amount of data which triggers the <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-22882-critical-stack-based-buffer-overflow-vulnerability-in-delta-electronics-ispsoft\/\"  data-wpil-monitor-id=\"57765\">stack-based buffer overflow<\/a>.<br \/>\nIt&#8217;s essential to note that this <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-4986-stored-cross-site-scripting-vulnerability-in-3dexperience-product-manager\/\"  data-wpil-monitor-id=\"57331\">vulnerability only affects products<\/a> that are no longer supported by the maintainer. Therefore, the recommended mitigation is to apply the vendor patch or use a Web Application Firewall (WAF) or Intrusion Detection System (IDS) as temporary mitigation. As always, it&#8217;s recommended to upgrade to the latest supported versions of software whenever possible.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Overview In the ever-evolving landscape of cybersecurity, a critical vulnerability has been discovered in the D-Link DIR-816 version 1.10CNB05. This vulnerability, termed as CVE-2025-5624, pertains to a stack-based buffer overflow that can potentially lead to system compromise or data leakage. It affects the QoSPortSetup function of the \/goform\/QoSPortSetup file. The vulnerability is of grave concern [&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-51104","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\/51104","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=51104"}],"version-history":[{"count":7,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/51104\/revisions"}],"predecessor-version":[{"id":52828,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/51104\/revisions\/52828"}],"wp:attachment":[{"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/media?parent=51104"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/categories?post=51104"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/tags?post=51104"},{"taxonomy":"vendor","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/vendor?post=51104"},{"taxonomy":"product","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/product?post=51104"},{"taxonomy":"attack_vector","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/attack_vector?post=51104"},{"taxonomy":"asset_type","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/asset_type?post=51104"},{"taxonomy":"severity","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/severity?post=51104"},{"taxonomy":"exploit_status","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/exploit_status?post=51104"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}