CVE-2025-46405: BIG-IP APM vulnerability

Severity: high (CVSS 7.5 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.3% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2025-08-13 · updated 2026-06-17
Weakness: CWE-121

Description

When Network Access is configured on a BIG-IP APM virtual server, undisclosed traffic can cause the Traffic Management Microkernel (TMM) to terminate. Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.

Affected products

F5 BIG-IP APM: from 15.1.0 before 15.1.10.8; from 16.1.0 before 16.1.6; from 17.1.0 before 17.1.2.2 — fixed in 15.1.10.8, 16.1.6, 17.1.2.2

How to fix

Upgrade to a fixed version: F5 BIG-IP APM 15.1.10.8, 16.1.6, 17.1.2.2. Check the vendor advisory for mitigations.

References

https://my.f5.com/manage/s/article/K000151546

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