Skip to content
fr Sign in
7.5 High

CVE-2025-53856 When a virtual server, network address translation (NAT) object, or secure network address translation (SNAT) object…

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.

Affected products and versions

Product Affected versions Fixed in
BIG-IP 17.5 17.5.0 → < 17.5.1.3 17.5.1.3
BIG-IP 17.1 17.1.0 → < 17.1.3 17.1.3
BIG-IP 16.1 16.1.0 → < 16.1.6.1 16.1.6.1
BIG-IP 15.1 15.1.0 → < 15.1.10.8 15.1.10.8

References

Timeline

  1. Published
  2. Last modified

Other CVEs of BIG-IP

The 259 CVEs of BIG-IP →
CVE-2026-94127 F5 BIG-IP APM Heap-based Buffer Overflow Vulnerability 9.8 Critical CVE-2026-66842 BIG-IP has a vulnerability where an authenticated user of any role may be able to create administrative user accounts… 8.8 High CVE-2026-63020 A vulnerability exists in an undisclosed BIG-IP Configuration utility page that may allow an attacker to spoof error… 3.1 Low CVE-2026-59762 When an HTTP/2 profile is configured on a virtual server, undisclosed requests can cause an increase in memory… 7.5 High
Track this CVE