{"id":56439,"date":"2025-07-01T17:54:36","date_gmt":"2025-07-01T17:54:36","guid":{"rendered":""},"modified":"2025-09-07T05:20:10","modified_gmt":"2025-09-07T11:20:10","slug":"cve-2025-6615-critical-buffer-overflow-vulnerability-in-d-link-dir-619l-2-06b01","status":"publish","type":"post","link":"https:\/\/www.ameeba.com\/blog\/cve-2025-6615-critical-buffer-overflow-vulnerability-in-d-link-dir-619l-2-06b01\/","title":{"rendered":"<strong>CVE-2025-6615: Critical Buffer Overflow Vulnerability in D-Link DIR-619L 2.06B01<\/strong>"},"content":{"rendered":"<p><strong>Overview<\/strong><\/p>\n<p>A critical vulnerability has been discovered in D-Link DIR-619L 2.06B01, classified as CVE-2025-6615. This vulnerability specifically affects the formAutoDetecWAN_wizard4 function of the file \/goform\/formAutoDetecWAN_wizard4, and is triggered via the manipulation of the argument curTime. It is a stack-based <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-6336-critical-buffer-overflow-vulnerability-in-totolink-ex1200t-router\/\"  data-wpil-monitor-id=\"62919\">buffer overflow vulnerability<\/a>, which can be exploited remotely. The exploit is already public, magnifying the <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2024-25178-critical-luajit-vulnerability-puts-systems-at-risk-of-compromise\/\"  data-wpil-monitor-id=\"70605\">risk for systems<\/a> that are still running the unsupported and outdated software.<br \/>\nThis vulnerability matters because it can <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-32454-out-of-bounds-read-in-teamcenter-visualization-leading-to-potential-code-execution\/\"  data-wpil-monitor-id=\"64121\">potentially compromise the entire system or lead<\/a> to data leakage. Given the severity of the impact, it is crucial for users to update their <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-47136-integer-underflow-vulnerability-in-indesign-desktop-versions-leading-to-potential-system-compromise\/\"  data-wpil-monitor-id=\"79763\">system to the latest version<\/a> or apply necessary patches as early as possible.<\/p>\n<p><strong>Vulnerability Summary<\/strong><\/p>\n<p>CVE ID: CVE-2025-6615<br \/>\nSeverity: Critical &#8211; CVSS Score 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=\"63198\">Potential system<\/a> compromise or data leakage<\/p>\n<p><strong>Affected Products<\/strong><\/p><div id=\"ameeb-3276912918\" 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=\"63373\">D-Link DIR-619L | 2.06B01<\/a><\/p>\n<p><strong>How the Exploit Works<\/strong><\/p>\n<p>The exploit works by manipulating the &#8216;curTime&#8217; argument in the formAutoDetecWAN_wizard4 function of the file \/goform\/formAutoDetecWAN_wizard4. This manipulation causes a stack-based buffer overflow, which can lead to arbitrary <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-46157-remote-code-execution-vulnerability-in-efrotech-time-trax\/\"  data-wpil-monitor-id=\"62906\">code execution<\/a>. Since the exploit can be triggered <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-52723-php-remote-file-inclusion-vulnerability-in-networker-software\/\"  data-wpil-monitor-id=\"65848\">remotely over the network<\/a> without requiring any user interaction, it poses a significant threat to the affected systems.<\/p>\n<p><strong>Conceptual Example Code<\/strong><\/p><div id=\"ameeb-2556657662\" 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 example is not intended for actual use, but to give a general understanding of the vulnerability.<\/p>\n<pre><code class=\"\" data-line=\"\">POST \/goform\/formAutoDetecWAN_wizard4 HTTP\/1.1\nHost: target.example.com\nContent-Type: application\/x-www-form-urlencoded\ncurTime= [Overflowing Buffer String]<\/code><\/pre>\n<p>In this request, the &#8216;curTime&#8217; argument is filled with a string that <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-6337-critical-buffer-overflow-vulnerability-in-totolink-routers\/\"  data-wpil-monitor-id=\"62927\">overflows the buffer<\/a>. This overflow could potentially allow the <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-49213-remote-code-execution-vulnerability-in-trend-micro-endpoint-encryption-policyserver\/\"  data-wpil-monitor-id=\"62913\">execution of arbitrary code<\/a>, resulting in a system compromise.<\/p>\n<p><strong>Mitigation Guidance<\/strong><\/p>\n<p>To mitigate the <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-52709-high-risk-deserialization-of-untrusted-data-vulnerability-in-everest-forms\/\"  data-wpil-monitor-id=\"65257\">risk of this vulnerability<\/a>, it is strongly recommended to apply the vendor patch. If the patch is not available or the product is no longer supported, using a Web Application Firewall (WAF) or Intrusion Detection System (IDS) can provide temporary mitigation. However, it&#8217;s important to note that these are not permanent solutions and replacing unsupported products should be considered as soon as possible.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Overview A critical vulnerability has been discovered in D-Link DIR-619L 2.06B01, classified as CVE-2025-6615. This vulnerability specifically affects the formAutoDetecWAN_wizard4 function of the file \/goform\/formAutoDetecWAN_wizard4, and is triggered via the manipulation of the argument curTime. It is a stack-based buffer overflow vulnerability, which can be exploited remotely. The exploit is already public, magnifying the risk [&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-56439","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\/56439","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=56439"}],"version-history":[{"count":11,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/56439\/revisions"}],"predecessor-version":[{"id":72199,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/56439\/revisions\/72199"}],"wp:attachment":[{"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/media?parent=56439"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/categories?post=56439"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/tags?post=56439"},{"taxonomy":"vendor","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/vendor?post=56439"},{"taxonomy":"product","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/product?post=56439"},{"taxonomy":"attack_vector","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/attack_vector?post=56439"},{"taxonomy":"asset_type","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/asset_type?post=56439"},{"taxonomy":"severity","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/severity?post=56439"},{"taxonomy":"exploit_status","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/exploit_status?post=56439"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}