Security Advisory

CVE-2025-53856

CVE vulnerability detail - eXtreme Datacenter Security Operations

Published 2025-10-15 13:55:49
Last updated 2026-02-26 16:57:40
Assigner f5
CVSS score 7.5
State PUBLISHED

Description

When a virtual server, network address translation (NAT) object, or secure network address translation (SNAT) object uses the embedded Packet Velocity Acceleration (ePVA) feature, undisclosed traffic can cause the Traffic Management Microkernel (TMM) to terminate.  To determine which BIG-IP platforms have an ePVA chip refer to K12837: Overview of the ePVA feature https://my.f5.com/manage/s/article/K12837 .  Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.