Vulnerability in F5 Big-ip

CVE-2025-59478

When a BIG-IP AFM denial-of-service (DoS) protection profile is configured on a virtual server, undisclosed requests can cause the Traffic Management Microkernel (TMM) process to terminate.  Note: Software versions which have reached End o…

EPSS: 0.003 (25.3th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2025-59478?
CVE-2025-59478 is a high-severity vulnerability in F5 Big-ip, classified under Access of Uninitialized Pointer. CVSS score: 7.5/10. Published 2025-10-15.
How severe is CVE-2025-59478?
High severity. CVSS v3 base score is 7.5 out of 10.
Is CVE-2025-59478 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.