CVE-2025-61960: F5 BIG-IP Access Policy Manager

High severity, CVSS 7.5. EPSS: 0.3% chance of exploitation in the next 30 days.

When a per-request policy is configured on a BIG-IP APM portal access virtual server, undisclosed traffic can cause the Traffic Management Microkernel (TMM) to terminate.  Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.

Affected products

• F5 BIG-IP Access Policy Manager: from 16.1.0, before 16.1.6.1 (fixed in 16.1.6.1); from 17.1.0, before 17.1.3 (fixed in 17.1.3); from 17.5.0, before 17.5.1.3 (fixed in 17.5.1.3)

Published 2025-10-15. Last modified 2026-10-08.