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Vulnerability record · CVE-2025-59478 · published 15 October 2025

CVE-2025-59478: F5 big-ip advanced firewall manager vulnerability

F5 · Big Ip Advanced Firewall Manager

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 of Technical Support (EoTS) are not evaluated.

8.7 CVSS 4.0 High EPSS 0.37% · top 71.9% CWE-824 · CWE-824
8.7CVSS 4.0 base score
0.37%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
1References
17 Jun 2026Last modified by NVD

Description

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 of Technical Support (EoTS) are not evaluated.

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://my.f5.com/manage/s/article/K000152341 Vendor Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2025-59478), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.