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Critical · 9.8 Known exploited CVE-2025-53521 EUVD-2025-34630GHSA-j3cp-7wh4-9f6c

BigIP APM Vulnerability

Published Oct 15, 2025 · Updated Mar 31, 2026 · Assigned by f5

Description

When a BIG-IP APM access policy is configured on a virtual server, specific malicious traffic can lead to Remote Code Execution (RCE).  

Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.

Affected products

VendorProductAffectedFixed
F5 BIG-IP 17.5.0 – < 17.5.1.3, 17.1.0 – < 17.1.3, 16.1.0 – < 16.1.6.1, 15.1.0 – < 15.1.10.8 17.5.1.3

Advisories 2

References