Traffic Management Microkernel Vulnerability in F5 Networks
CVE-2025-54479

8.7HIGH

Key Information:

Vendor

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

What is CVE-2025-54479?

A configuration issue in F5 Networks' Traffic Management Microkernel can lead to undesired server termination if a classification profile is set up without an HTTP or HTTP/2 profile. This scenario allows specific unauthorized requests to disrupt operations, highlighting the importance of reviewing configuration settings regularly to ensure optimal security and service availability.

Affected Version(s)

BIG-IP 17.5.0 < 17.5.1

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/K000151475
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-2025-54479 : Traffic Management Microkernel Vulnerability in F5 Networks