CVE-2026-41956
BIG-IP TMM Vulnerability
CVSS Score
7.5
EPSS Score
0.0%
EPSS Percentile
0th
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.
| CWE | CWE-121 |
| Vendor | f5 |
| Product | big-ip |
| Published | May 13, 2026 |
| Last Updated | May 13, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High
Affected Versions
F5 / BIG-IP
17.5.0 < 17.5.1.4 17.1.0 < 17.1.3.1 16.1.0 < *
F5 / BIG-IP Next CNF
2.0.0 < 2.0.3 1.4.0 < 1.4.1
F5 / BIG-IP Next for Kubernetes
2.0.0 < 2.1.0
Credits
F5