BIG-IP

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

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.

Published

ExploitedNot in CISA KEV
Ransomware useNot reportedPer CISA
SeverityMEDIUMCVSS 4.0 6.9
EPSS0.39%Chance of exploitation in 30 days
Public exploitNot tracked
FixAvailable

Automatic summary from the vendor's CVE record. We haven't written a full analysis of this vulnerability yet.

Affected and fixed versions

Product / branchFixed in
BIG-IP 15.1, 16.1, 17.5Not affected
BIG-IP 17.117.1.2 or later
NGINX App Protect WAF 5.0Not affected
NGINX App Protect WAF 4.04.7.0 or later

Always confirm against the vendor advisory, which lists every fixed hotfix.

What it is

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.

Sources

KEV status, EPSS score and vendor data refreshed automatically, last on 12 Oct 2026.

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