CVE-2025-55036: F5 BIG-IP SSL Orchestrator

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

When BIG-IP SSL Orchestrator explicit forward proxy is configured on a virtual server and the proxy connect feature is enabled, undisclosed traffic may cause memory corruption.  Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.

Affected products

• F5 BIG-IP SSL Orchestrator: from 15.1.0, before 15.1.10.8 (fixed in 15.1.10.8); from 16.1.0, before 16.1.6 (fixed in 16.1.6); from 17.1.0, before 17.1.3 (fixed in 17.1.3)

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