{"id":38613,"date":"2025-05-16T04:06:30","date_gmt":"2025-05-16T04:06:30","guid":{"rendered":""},"modified":"2025-09-11T20:15:52","modified_gmt":"2025-09-12T02:15:52","slug":"cve-2025-4452-critical-buffer-overflow-vulnerability-in-d-link-dir-619l-2-04b04","status":"publish","type":"post","link":"https:\/\/www.ameeba.com\/blog\/cve-2025-4452-critical-buffer-overflow-vulnerability-in-d-link-dir-619l-2-04b04\/","title":{"rendered":"<strong>CVE-2025-4452: Critical Buffer Overflow Vulnerability in D-Link DIR-619L 2.04B04<\/strong>"},"content":{"rendered":"<p><strong>Overview<\/strong><\/p>\n<p>A critical vulnerability, classified with a CVSS severity score of 8.8, has been discovered in D-Link DIR-619L 2.04B04. The vulnerability, identified as CVE-2025-4452, resides in the function formSetWizard2 and involves the manipulation of the argument curTime, which can lead to a buffer overflow. This <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-44071-critical-remote-code-execution-vulnerability-in-seacms-v13-3\/\"  data-wpil-monitor-id=\"43395\">vulnerability is significant as it can be exploited remotely<\/a> and can potentially lead to system compromise or data leakage. The products <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-43245-critical-downgrade-issue-affecting-multiple-macos-versions\/\"  data-wpil-monitor-id=\"81794\">affected by this issue<\/a> are no longer being supported by the maintainer, increasing the risk for users of these products.<\/p>\n<p><strong>Vulnerability Summary<\/strong><\/p>\n<p>CVE ID: CVE-2025-4452<br \/>\nSeverity: Critical (8.8 CVSS Score)<br \/>\nAttack Vector: Remote<br \/>\nPrivileges Required: None<br \/>\nUser Interaction: None<br \/>\nImpact: <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2023-49126-critical-vulnerability-in-solid-edge-se2023-allows-for-potential-system-compromise\/\"  data-wpil-monitor-id=\"43417\">Potential system<\/a> compromise or data leakage<\/p>\n<p><strong>Affected Products<\/strong><\/p><div id=\"ameeb-3490221755\" 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-2025-4450-critical-buffer-overflow-vulnerability-in-d-link-dir-619l-2-04b04\/\"  data-wpil-monitor-id=\"45254\">D-Link DIR-619L<\/a> | 2.04B04<\/p>\n<p><strong>How the Exploit Works<\/strong><\/p>\n<p>The <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-26844-critical-cookie-handling-vulnerability-in-znuny\/\"  data-wpil-monitor-id=\"45522\">vulnerability stems from the improper handling<\/a> of the argument curTime in the function formSetWizard2. This can allow a malicious actor to <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2023-49122-critical-heap-based-buffer-overflow-vulnerability-in-solid-edge-se2023\/\"  data-wpil-monitor-id=\"43365\">overflow the buffer<\/a> by sending a specially crafted request containing an overly long curTime value. This buffer overflow condition can lead to arbitrary <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2023-37577-code-execution-vulnerability-in-gtkwave-3-3-115\/\"  data-wpil-monitor-id=\"43265\">code execution<\/a>, potentially granting the attacker control over the system or leading to data leakage.<\/p>\n<p><strong>Conceptual Example Code<\/strong><\/p><div id=\"ameeb-3297608360\" 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 how an HTTP <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-47462-cross-site-request-forgery-vulnerability-in-ohidul-islam-challan-leading-to-privilege-escalation\/\"  data-wpil-monitor-id=\"43667\">request exploiting this vulnerability<\/a> might look:<\/p>\n<pre><code class=\"\" data-line=\"\">POST \/formSetWizard2 HTTP\/1.1\nHost: target.example.com\nContent-Type: application\/x-www-form-urlencoded\ncurTime=AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA...<\/code><\/pre>\n<p>In this example, the &#8216;A&#8217;s represent an excessively long string meant to <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2023-49121-heap-based-buffer-overflow-vulnerability-in-solid-edge-se2023\/\"  data-wpil-monitor-id=\"43389\">overflow the buffer<\/a>.<\/p>\n<p><strong>Mitigation Guidance<\/strong><\/p>\n<p>Since the products affected by this <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-26847-unmasked-passwords-vulnerability-in-znuny-support-bundle-generation\/\"  data-wpil-monitor-id=\"45847\">vulnerability are no longer supported<\/a> by the vendor, it is recommended to apply a vendor patch, if available. If a patch is not available, using a Web Application Firewall (WAF) or Intrusion Detection System (IDS) can provide temporary mitigation. Please ensure that these systems are configured to detect and <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-3605-privilege-escalation-vulnerability-in-frontend-login-and-registration-blocks-plugin-for-wordpress\/\"  data-wpil-monitor-id=\"46153\">block attempts to exploit this vulnerability<\/a>. Long term, consider migrating to newer, supported hardware.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Overview A critical vulnerability, classified with a CVSS severity score of 8.8, has been discovered in D-Link DIR-619L 2.04B04. The vulnerability, identified as CVE-2025-4452, resides in the function formSetWizard2 and involves the manipulation of the argument curTime, which can lead to a buffer overflow. This vulnerability is significant as it can be exploited remotely and [&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-38613","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\/38613","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=38613"}],"version-history":[{"count":11,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/38613\/revisions"}],"predecessor-version":[{"id":74255,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/38613\/revisions\/74255"}],"wp:attachment":[{"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/media?parent=38613"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/categories?post=38613"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/tags?post=38613"},{"taxonomy":"vendor","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/vendor?post=38613"},{"taxonomy":"product","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/product?post=38613"},{"taxonomy":"attack_vector","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/attack_vector?post=38613"},{"taxonomy":"asset_type","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/asset_type?post=38613"},{"taxonomy":"severity","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/severity?post=38613"},{"taxonomy":"exploit_status","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/exploit_status?post=38613"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}