{"id":76036,"date":"2025-09-21T04:16:19","date_gmt":"2025-09-21T04:16:19","guid":{"rendered":""},"modified":"2025-10-29T04:22:08","modified_gmt":"2025-10-29T10:22:08","slug":"cve-2025-6636-use-after-free-vulnerability-in-certain-autodesk-products","status":"publish","type":"post","link":"https:\/\/www.ameeba.com\/blog\/cve-2025-6636-use-after-free-vulnerability-in-certain-autodesk-products\/","title":{"rendered":"<strong>CVE-2025-6636: Use-After-Free Vulnerability in Certain Autodesk Products<\/strong>"},"content":{"rendered":"<p><strong>Overview<\/strong><\/p>\n<p>CVE-2025-6636 is a severe vulnerability discovered in certain Autodesk products that can be exploited via a maliciously crafted PRT file. This vulnerability can potentially lead to a system compromise or data leakage. Given the widespread use of Autodesk products in industries ranging from architecture to entertainment, this vulnerability has the <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-9253-stack-based-buffer-overflow-on-linksys-wi-fi-range-extenders-leading-to-potential-system-compromise\/\"  data-wpil-monitor-id=\"84311\">potential to affect a large number of systems<\/a> worldwide. It is therefore critical that users of affected <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-54493-critical-buffer-overflow-vulnerability-in-the-biosig-project-libbiosig-3-9-0\/\"  data-wpil-monitor-id=\"83423\">Autodesk<\/a> products understand the nature of this vulnerability and take the necessary steps to mitigate its potential impact.<\/p>\n<p><strong>Vulnerability Summary<\/strong><\/p>\n<p>CVE ID: CVE-2025-6636<br \/>\nSeverity: High (7.8 CVSS score)<br \/>\nAttack Vector: Network<br \/>\nPrivileges Required: None<br \/>\nUser Interaction: Required<br \/>\nImpact: <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-22404-potential-system-compromise-due-to-use-after-free-vulnerability\/\"  data-wpil-monitor-id=\"85695\">System compromise<\/a> or data leakage<\/p>\n<p><strong>Affected Products<\/strong><\/p><div id=\"ameeb-1149961225\" 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>Autodesk AutoCAD | All versions prior to 2025.1<br \/>\n<a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-5037-memory-corruption-vulnerability-in-autodesk-revit-leading-to-arbitrary-code-execution\/\"  data-wpil-monitor-id=\"88115\">Autodesk Revit<\/a> | All versions prior to 2025.1<\/p>\n<p><strong>How the Exploit Works<\/strong><\/p>\n<p>The <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-55454-authenticated-arbitrary-file-upload-vulnerability-in-dootask-v1-0-51\/\"  data-wpil-monitor-id=\"84454\">vulnerability revolves around the processing of PRT files<\/a> by certain Autodesk products. A malicious actor can craft a PRT file in such a way that it triggers a use-after-free <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-30256-denial-of-service-vulnerability-in-tenda-ac6-s-http-header-parsing-functionality\/\"  data-wpil-monitor-id=\"86858\">vulnerability when parsed<\/a>. This could result in unexpected behaviors ranging from a <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-8067-udisks-daemon-vulnerability-leading-to-potential-system-compromise-or-data-leakage\/\"  data-wpil-monitor-id=\"85736\">system crash to the disclosure of sensitive data<\/a>. In the worst-case scenario, it can even allow the attacker to <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-0074-critical-remote-code-execution-vulnerability-in-sdp-discovery\/\"  data-wpil-monitor-id=\"83641\">execute arbitrary code<\/a> in the context of the current process, potentially leading to a full system compromise.<\/p>\n<p><strong>Conceptual Example Code<\/strong><\/p><div id=\"ameeb-3059655158\" 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. In this scenario, a malicious actor sends a crafted PRT <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-32701-elevation-of-privileges-via-windows-common-log-file-system-driver\/\"  data-wpil-monitor-id=\"91777\">file to the target via<\/a> email. The target then unknowingly opens the <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-48149-php-remote-file-inclusion-vulnerability-in-cook-meal\/\"  data-wpil-monitor-id=\"84483\">file with a vulnerable<\/a> Autodesk product, triggering the exploit.<\/p>\n<pre><code class=\"\" data-line=\"\"># Attacker crafts malicious PRT file\necho &quot;malicious_code&quot; &gt; exploit.prt\n# Attacker sends malicious PRT file to target\nmail -s &quot;Important Project File&quot; -a exploit.prt target@example.com<\/code><\/pre>\n<p><strong>Mitigation Guidance<\/strong><\/p>\n<p>The best way to mitigate this <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-5040-heap-based-overflow-vulnerability-in-autodesk-revit\/\"  data-wpil-monitor-id=\"88101\">vulnerability is by applying the patch provided by Autodesk<\/a>. If for some reason the patch cannot be immediately applied, a temporary workaround would be to employ a Web Application Firewall (WAF) or Intrusion Detection System (IDS) to detect and block <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-1740-excessive-authentication-attempts-vulnerability-in-akinsoft-myrezzta\/\"  data-wpil-monitor-id=\"86739\">attempts to exploit this vulnerability<\/a>. However, these are only temporary measures and applying the vendor patch as soon as possible remains the best course of action.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Overview CVE-2025-6636 is a severe vulnerability discovered in certain Autodesk products that can be exploited via a maliciously crafted PRT file. This vulnerability can potentially lead to a system compromise or data leakage. Given the widespread use of Autodesk products in industries ranging from architecture to entertainment, this vulnerability has the potential to affect a [&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":[],"asset_type":[],"severity":[],"exploit_status":[],"class_list":["post-76036","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/76036","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=76036"}],"version-history":[{"count":12,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/76036\/revisions"}],"predecessor-version":[{"id":84950,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/76036\/revisions\/84950"}],"wp:attachment":[{"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/media?parent=76036"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/categories?post=76036"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/tags?post=76036"},{"taxonomy":"vendor","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/vendor?post=76036"},{"taxonomy":"product","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/product?post=76036"},{"taxonomy":"attack_vector","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/attack_vector?post=76036"},{"taxonomy":"asset_type","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/asset_type?post=76036"},{"taxonomy":"severity","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/severity?post=76036"},{"taxonomy":"exploit_status","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/exploit_status?post=76036"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}