IPsec Configuration Vulnerability in BIG-IP by F5 Networks
CVE-2025-58071

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-2025-58071?

A vulnerability exists in the BIG-IP system when configured with IPsec, allowing for the potential termination of the Traffic Management Microkernel (TMM) due to undisclosed traffic patterns. This issue underscores the need for vigilance in network configuration and uptime management.

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/K000156746
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-2025-58071 : IPsec Configuration Vulnerability in BIG-IP by F5 Networks