CVE-2025-53860: F5 f5os-A

Medium severity, CVSS 4.1. EPSS: 0.1% chance of exploitation in the next 30 days.

A vulnerability exists in F5OS-A software that allows a highly privileged authenticated attacker to access sensitive FIPS hardware security module (HSM) information on F5 rSeries systems.  Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.

Affected products

• F5 f5os-A: from 1.5.1, before 1.5.3 (fixed in 1.5.3); version 1.8.0 only

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