Traffic Management Microkernel Vulnerability in F5 BIG-IP Systems
CVE-2025-41431

8.7HIGH

Key Information:

Vendor

F5
Status
Big-ip
Vendor
CVE Published:
7 May 2025

What is CVE-2025-41431?

A potential vulnerability in F5 BIG-IP systems exists when connection mirroring is configured on a virtual server. This issue can lead to undisclosed requests causing the Traffic Management Microkernel (TMM) to terminate unexpectedly on standby systems within a traffic group. This behavior poses a risk of service disruption and may affect overall system stability.

Affected Version(s)

BIG-IP 17.1.0 < 17.1.2.2

BIG-IP 17.5.0

BIG-IP 16.1.0

References

https://my.f5.com/manage/s/article/K000150668
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
.
CVE-2025-41431 : Traffic Management Microkernel Vulnerability in F5 BIG-IP Systems