Traffic Management Microkernel Termination in F5 BIG-IP APM
CVE-2025-46405

8.7HIGH

Key Information:

Vendor

F5
Status
Big-ip
Vendor
CVE Published:
13 August 2025

What is CVE-2025-46405?

A configuration of Network Access on an F5 BIG-IP APM virtual server can be exploited, leading to the termination of the Traffic Management Microkernel (TMM) due to undisclosed traffic patterns. This disruption can affect service availability, impacting users and applications relying on stable traffic management. For mitigation strategies, refer to the vendor's advisory.

Affected Version(s)

BIG-IP 17.1.0 < 17.1.2.2

BIG-IP 16.1.0 < 16.1.6

BIG-IP 15.1.0

References

https://my.f5.com/manage/s/article/K000151546
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-2025-46405 : Traffic Management Microkernel Termination in F5 BIG-IP APM