#VU117358 Unchecked return value in BIG-IP Advanced WAF and BIG-IP ASM - CVE-2025-61935
Published: October 17, 2025
Vulnerability identifier: #VU117358
Vulnerability risk: Medium
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2025-61935
CWE-ID: CWE-252
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerable software:
BIG-IP Advanced WAF
BIG-IP ASM
BIG-IP Advanced WAF
BIG-IP ASM
Software vendor:
F5 Networks
F5 Networks
Description
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to incorrect error handling when a BIG IP Advanced WAF or ASM security policy is configured on a virtual server. A remote attacker can send specially crafted traffic to the system and crash the bd process.
Remediation
Install updates from vendor's website.