{"id":59807,"date":"2025-08-01T19:28:37","date_gmt":"2025-08-01T19:28:37","guid":{"rendered":""},"modified":"2025-09-26T20:58:44","modified_gmt":"2025-09-27T02:58:44","slug":"cve-2025-8169-buffer-overflow-vulnerability-in-d-link-dir-513-1-10","status":"publish","type":"post","link":"https:\/\/www.ameeba.com\/blog\/cve-2025-8169-buffer-overflow-vulnerability-in-d-link-dir-513-1-10\/","title":{"rendered":"<strong>CVE-2025-8169: Buffer Overflow Vulnerability in D-Link DIR-513 1.10<\/strong>"},"content":{"rendered":"<p><strong>Overview<\/strong><\/p>\n<p>The cybersecurity world is once again on high alert following the discovery of a critical vulnerability in D-Link DIR-513 1.10. This vulnerability, identified as CVE-2025-8169, potentially impacts millions of users worldwide, and is particularly concerning given that the affected products are no longer supported by the maintainer. Due to its severity and the possible consequences of exploitation, understanding and mitigating this <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-50738-memos-application-vulnerability-allows-for-unauthorized-user-information-disclosure\/\"  data-wpil-monitor-id=\"70444\">vulnerability is of utmost importance for all users<\/a> of the affected products.<\/p>\n<p><strong>Vulnerability Summary<\/strong><\/p>\n<p>CVE ID: CVE-2025-8169<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-2025-31278-memory-corruption-vulnerability-with-potential-system-compromise\/\"  data-wpil-monitor-id=\"70443\">Potential system<\/a> compromise and data leakage<\/p>\n<p><strong>Affected Products<\/strong><\/p><div id=\"ameeb-1882758908\" 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-2025-8168-critical-buffer-overflow-vulnerability-in-d-link-dir-513-1-10\/\"  data-wpil-monitor-id=\"67062\">D-Link DIR-513<\/a> | 1.10<\/p>\n<p><strong>How the Exploit Works<\/strong><\/p>\n<p>The <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-53076-critical-overread-buffers-vulnerability-in-samsung-s-rlottie\/\"  data-wpil-monitor-id=\"66261\">vulnerability stems from a buffer<\/a> overflow in the HTTP POST Request Handler of the D-Link DIR-513 1.10. By manipulating the &#8216;curTime&#8217; argument in the &#8216;formSetWanPPTPcallback&#8217; function of the &#8216;\/goform\/formSetWanPPTPpath&#8217; file, an attacker can <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=\"66901\">overflow the buffer<\/a>, causing the system to act unpredictably or crash. This can potentially provide an attacker with <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-54378-unauthorized-access-vulnerability-in-hax-cms\/\"  data-wpil-monitor-id=\"68895\">unauthorized access<\/a> to the system, leading to system compromise and data leakage.<\/p>\n<p><strong>Conceptual Example Code<\/strong><\/p><div id=\"ameeb-2327099524\" 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>Here&#8217;s a conceptual example of a malicious HTTP POST <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-36845-server-side-request-forgery-ssrf-vulnerability-in-eveo-urve-web-manager\/\"  data-wpil-monitor-id=\"70675\">request that may exploit this vulnerability<\/a>:<\/p>\n<pre><code class=\"\" data-line=\"\">POST \/goform\/formSetWanPPTPpath HTTP\/1.1\nHost: target.example.com\nContent-Type: application\/x-www-form-urlencoded\ncurTime=1234567...[continue until buffer overflow]<\/code><\/pre>\n<p>In this example, the &#8216;curTime&#8217; argument is filled with a large amount of data, likely far exceeding the buffer&#8217;s capacity, <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-7460-critical-vulnerability-in-totolink-t6-leads-to-buffer-overflow\/\"  data-wpil-monitor-id=\"66900\">leading to a buffer<\/a> overflow. This could potentially crash the system or enable the attacker to <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-26074-remote-code-execution-vulnerability-in-orkes-conductor-v3-21-11\/\"  data-wpil-monitor-id=\"66262\">execute arbitrary code<\/a>, depending on the specific implementation of the buffer.<\/p>\n<p><strong>Mitigation Guidance<\/strong><\/p>\n<p>Unfortunately, as the affected product is no longer supported by D-Link, no <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-8853-authentication-bypass-vulnerability-in-official-document-management-system\/\"  data-wpil-monitor-id=\"82640\">official patches will be released to address this vulnerability<\/a>. As a temporary measure, users can <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-31100-unrestricted-file-upload-leads-to-web-shell-deployment-in-mojoomla-school-management\/\"  data-wpil-monitor-id=\"84728\">deploy a Web<\/a> Application Firewall (WAF) or an Intrusion Detection System (IDS) to detect and prevent exploitation attempts. However, given the <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-47998-severe-heap-based-buffer-overflow-vulnerability-in-windows-routing-and-remote-access-service\/\"  data-wpil-monitor-id=\"67327\">severity of this vulnerability<\/a>, the most secure course of action would be to replace the affected routers with more recent, supported models.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Overview The cybersecurity world is once again on high alert following the discovery of a critical vulnerability in D-Link DIR-513 1.10. This vulnerability, identified as CVE-2025-8169, potentially impacts millions of users worldwide, and is particularly concerning given that the affected products are no longer supported by the maintainer. Due to its severity and the possible [&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-59807","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\/59807","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=59807"}],"version-history":[{"count":9,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/59807\/revisions"}],"predecessor-version":[{"id":77513,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/59807\/revisions\/77513"}],"wp:attachment":[{"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/media?parent=59807"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/categories?post=59807"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/tags?post=59807"},{"taxonomy":"vendor","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/vendor?post=59807"},{"taxonomy":"product","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/product?post=59807"},{"taxonomy":"attack_vector","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/attack_vector?post=59807"},{"taxonomy":"asset_type","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/asset_type?post=59807"},{"taxonomy":"severity","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/severity?post=59807"},{"taxonomy":"exploit_status","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/exploit_status?post=59807"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}