CVE-2026-41956

HIGH

F5 BIG-IP UDP Classification Profile - TMM Denial of Service

Title source: manual
STIX 2.1

Description

When a classification profile is configured on a UDP virtual server, undisclosed requests can cause the Traffic Management Microkernel (TMM) to terminate.  Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.

References (1)

Core 1
Core References
Vendor Advisory vendor-advisory patch
https://my.f5.com/manage/s/article/K000158038

Scores

CVSS v3 7.5
EPSS 0.0010
EPSS Percentile 26.8%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

CISA SSVC

Vulnrichment
Exploitation none
Automatable yes
Technical Impact partial

Details

CWE
CWE-121
Status published
Products (8)
F5/BIG-IP 16.1.0
F5/BIG-IP 17.1.0 - 17.1.3.1
F5/BIG-IP 17.5.0 - 17.5.1.4
F5/BIG-IP 21.0.0
F5/BIG-IP Next CNF 1.4.0 - 1.4.1
F5/BIG-IP Next CNF 2.0.0 - 2.0.3
F5/BIG-IP Next CNF 2.1.0
F5/BIG-IP Next for Kubernetes 2.0.0 - 2.1.0
Published May 13, 2026
Tracked Since May 13, 2026