CVE-2025-57780: F5 f5os-A

High severity, CVSS 8.8. EPSS: 0.2% chance of exploitation in the next 30 days.

A vulnerability exists in F5OS-A and F5OS-C system that may allow an authenticated attacker with local access to escalate their privileges.  A successful exploit may allow the attacker to cross a security boundary.  Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.

Affected products

• F5 f5os-A: from 1.5.1, before 1.5.4 (fixed in 1.5.4); version 1.8.0 only
• F5 f5os-C: from 1.6.0, up to and including 1.6.2; from 1.8.0, before 1.8.2 (fixed in 1.8.2)

Published 2025-10-15. Last modified 2026-06-17.