VYPR
Unrated severityNVD Advisory· Published Oct 15, 2025· Updated Feb 26, 2026

TMM vulnerability

CVE-2025-53856

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

2
  • F5, Inc./Big IPllm-fuzzy2 versions
    (expand)+ 1 more
    • (no CPE)
    • (no CPE)range: 17.5.0

Patches

Vulnerability mechanics

References

1

News mentions

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