---
id: CVE-2025-59478
title: "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…"
summary: "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…"
severity: high
cvss: 7.5
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H'
cwe:
  - CWE-824
vendor: f5
product: big-ip_advanced_firewall_manager
affected:
  - 'big-ip_advanced_firewall_manager >= 15.1.0, < 15.1.10.8'
  - 'big-ip_advanced_firewall_manager >= 17.1.0, < 17.1.3'
  - big-ip_advanced_firewall_manager = 17.5.0
patched:
  - big-ip_advanced_firewall_manager 17.1.3
published: '2025-10-15'
updated: '2026-10-08'
sourceUpdated: '2026-10-08T12:10:00.217'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2025-59478'
references:
  - url: 'https://my.f5.com/manage/s/article/K000152341'
    label: f5sirt@f5.com
tags:
  - nvd
epss: 0.00368
epssPercentile: 0.28533
ingestedAt: '2026-10-08T11:31:27.434Z'
---

## Overview

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.

## Affected

- `big-ip_advanced_firewall_manager >= 15.1.0, < 15.1.10.8`
- `big-ip_advanced_firewall_manager >= 17.1.0, < 17.1.3`
- `big-ip_advanced_firewall_manager = 17.5.0`

## Remediation

Upgrade past the affected range:

- `big-ip_advanced_firewall_manager 17.1.3`