Race condition in F5 Networks products - CVE-2026-22548

 

Race condition in F5 Networks products - CVE-2026-22548

Published: February 5, 2026


Vulnerability identifier: #VU122359
CSH Severity: Medium
CVSS v4: 8.2 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-22548
CWE-ID: CWE-362
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a remote attacker to perform a denial of service attack.

The vulnerability exists due to a race condition when handling HTTP requests. A remote attacker can send specially crafted requests to the system and terminate the bd process. 


Affected software

BIG-IP Advanced WAF
BIG-IP ASM
BIG-IP

How to mitigate CVE-2026-22548

Install updates from vendor's website.

BIG-IP Advanced WAF - update to 17.1.3
BIG-IP ASM - update to 17.1.3
BIG-IP - update to 17.1.3

External References

Related Security Bulletins