Traffic Management Microkernel Termination in Multi-Bladed Systems by F5 Networks
CVE-2025-61990

8.7HIGH

Key Information:

Vendor

F5
Status
Big-ip
Big-ip Next Spk
Big-ip Next Cnf
Big-ip Next For Kubernetes
Vendor
CVE Published:
15 October 2025

What is CVE-2025-61990?

A vulnerability exists in F5 Networks' multi-bladed systems where undisclosed traffic can lead to the termination of the Traffic Management Microkernel (TMM). This issue arises when multiple blades are in use, potentially impacting the overall traffic management capabilities. It's important to note that versions which have reached End of Technical Support (EoTS) are not included in this evaluation, requiring attention for users to maintain updated systems.

Affected Version(s)

BIG-IP 17.5.0 < 17.5.1.3

BIG-IP 17.1.0 < 17.1.3

BIG-IP 16.1.0 < 16.1.6.1

References

https://my.f5.com/manage/s/article/K000156912
vendor-advisory

CVSS V4

Score:
8.7
Severity:
HIGH
Confidentiality:
None
Integrity:
None
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

F5
JSON
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CVE-2025-61990 : Traffic Management Microkernel Termination in Multi-Bladed Systems by F5 Networks