Security Policy Vulnerability in BIG-IP Advanced WAF and ASM by F5 Networks
CVE-2026-22548

8.2HIGH

Key Information:

Vendor

F5

Status
Vendor
CVE Published:
4 February 2026

What is CVE-2026-22548?

A vulnerability exists in the F5 BIG-IP Advanced Web Application Firewall (WAF) and Application Security Manager (ASM) where misconfigured security policies on a virtual server can lead to the unexpectedly termination of the bd process. This can occur due to specific undisclosed requests combined with conditions that are beyond an attacker's control. Users are advised to review their configurations to ensure they are not inadvertently exposing their systems to this risk, and to refer to the vendor's advisory for further guidance.

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Affected Version(s)

BIG-IP 17.1.0 < 17.1.3

BIG-IP 21.0.0

BIG-IP 17.5.0

References

CVSS V4

Score:
8.2
Severity:
HIGH
Confidentiality:
None
Integrity:
None
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
Physical
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

F5
.