CVE-2025-54854: F5 BIG-IP Access Policy Manager

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

When a BIG-IP APM OAuth access profile (Resource Server or Resource Client) is configured on a virtual server, undisclosed traffic can cause the apmd process 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 15.1.0, before 15.1.10.8 (fixed in 15.1.10.8); 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, up to and including 17.5.1

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