CVE-2025-58474: BIG-IP Advanced WAF and ASM and NGINX App Protect DNS lookup vulnerability

Severity: medium (CVSS 5.3 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.4% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2025-10-15 · updated 2026-10-18
Weakness: CWE-770

Description

When BIG-IP Advanced WAF is configured on a virtual server with Server-Side Request Forgery (SSRF) protection or when an NGINX server is configured with App Protect Bot Defense, undisclosed requests can disrupt new client requests. Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.

Affected products

F5 Big-Ip Advanced Web Application Firewall: from 17.1.0 before 17.1.2 — fixed in 17.1.2
BIG-IP ASM: from 17.1.0 before 17.1.2 — fixed in 17.1.2

How to fix

Upgrade to a fixed version: F5 Big-Ip Advanced Web Application Firewall 17.1.2; BIG-IP ASM 17.1.2. Check the vendor advisory for mitigations.

References

https://my.f5.com/manage/s/article/K000148512

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