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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.

PUBLISHED Reserved 2025-10-03 | Published 2025-10-15 | Updated 2025-10-16 | Assigner f5




HIGH: 7.5CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

HIGH: 8.7CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N

Problem types

CWE-705 Incorrect Control Flow Scoping

Product status

Default status
unknown

17.5.0 before 17.5.1.3
affected

17.1.0 before 17.1.3
affected

16.1.0 before 16.1.6.1
affected

15.1.0 before 15.1.10.8
affected

Credits

F5 finder

References

my.f5.com/manage/s/article/K000156707 vendor-advisory

cve.org (CVE-2025-53856)

nvd.nist.gov (CVE-2025-53856)

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