{"id":86313,"date":"2026-01-18T03:52:34","date_gmt":"2026-01-18T03:52:34","guid":{"rendered":""},"modified":"-0001-11-30T00:00:00","modified_gmt":"-0001-11-30T00:00:00","slug":"cve-2025-36525-undisclosed-requests-leading-to-termination-of-tmm-in-big-ip-apm-virtual-server","status":"publish","type":"post","link":"https:\/\/www.ameeba.com\/blog\/cve-2025-36525-undisclosed-requests-leading-to-termination-of-tmm-in-big-ip-apm-virtual-server\/","title":{"rendered":"CVE-2025-36525: Undisclosed Requests Leading to Termination of TMM in BIG-IP APM Virtual Server<\/strong>"},"content":{"rendered":"

Overview<\/strong><\/p>\n

CVE-2025-36525 is a high-severity vulnerability discovered in the BIG-IP Access Policy Manager (APM) virtual server when configured to use a PingAccess profile. This vulnerability can lead to termination of the Traffic Management Microkernel (TMM), potentially disrupting the service and possibly leading to system compromise or data leakage. This is a critical concern for organizations using the affected software versions, and an immediate patch is recommended.<\/p>\n

Vulnerability Summary<\/strong><\/p>\n

CVE ID: CVE-2025-36525
\nSeverity: High (7.5 CVSS Score)
\nAttack Vector: Network
\nPrivileges Required: None
\nUser Interaction: None
\nImpact: Potential system compromise or data leakage<\/p>\n

Affected Products<\/strong><\/p>\n

Product | Affected Versions<\/p>\n

BIG-IP APM | All versions using a PingAccess profile<\/p>\n

How the Exploit Works<\/strong><\/p>\n

The vulnerability arises from the handling of undisclosed requests by the BIG-IP APM when configured to use a PingAccess profile. A malicious actor can exploit this vulnerability by sending undisclosed requests to the server. These requests cause the Traffic Management Microkernel (TMM) to terminate, potentially disrupting the service, and opening the door for system compromise or data leakage.<\/p>\n

Conceptual Example Code<\/strong><\/p>\n

Below is a conceptual example of how the vulnerability might be exploited. This is a sample HTTP request, which simulates the undisclosed request that triggers the vulnerability.<\/p>\n

POST \/undisclosed\/request HTTP\/1.1\nHost: vulnerable.example.com\nContent-Type: application\/json\n{ \"malicious_request\": \"Undisclosed request causing TMM termination\" }<\/code><\/pre>\n
Mitigation and Patching Guidance<\/strong><\/p>\n
The best mitigation against this vulnerability is to apply the patch provided by the vendor. If this is not immediately possible, using a Web Application Firewall (WAF) or Intrusion Detection System (IDS) can serve as a temporary alternative for mitigating the risk associated with this vulnerability. However, these measures are not long-term solutions and should be complemented with the application of the vendor-provided patch as soon as it is feasible.<\/p>\n","protected":false},"excerpt":{"rendered":"
Overview CVE-2025-36525 is a high-severity vulnerability discovered in the BIG-IP Access Policy Manager (APM) virtual server when configured to use a PingAccess profile. This vulnerability can lead to termination of the Traffic Management Microkernel (TMM), potentially disrupting the service and possibly leading to system compromise or data leakage. This is a critical concern for organizations […]<\/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,"_monsterinsights_skip_tracking":false,"footnotes":""},"categories":[],"tags":[],"vendor":[],"product":[],"attack_vector":[],"asset_type":[],"severity":[],"exploit_status":[],"class_list":["post-86313","post","type-post","status-publish","format-standard","hentry"],"aioseo_notices":[],"aioseo_head":"\n\t\t\n\t\n\t\n\t\n\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t