CVE-2025-61935
HighCVSS 7.5Exploitation Probability (EPSS)
Low risk26th percentile - higher than 26% of all known CVEs
Summary
When a BIG-IP Advanced WAF or ASM security policy is configured on a virtual server, undisclosed requests can cause the bd process to terminate. Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.
Risk Assessment
The attack can cause the bd process to crash, potentially disrupting WAF/ASM protection and leading to security breaches of applications.
Recommendation
Apply vendor patches for supported BIG-IP versions and monitor traffic for unexpected requests.
Other vulnerabilities in BIG-IP Advanced WAF
See all- CVE-2025-61938High
When a BIG-IP Advanced WAF or ASM security policy is configured with a URL greater than 1024 characters for Data Guard Protection Enforcement, either manually or via Policy Builder, the bd process can terminate repeatedly. Note: EoTS versions not evaluated.
- CVE-2025-58474Medium
When BIG-IP Advanced WAF is configured with SSRF protection or NGINX with App Protect Bot Defense, undisclosed requests can disrupt new client requests. Software versions that have reached End of Technical Support (EoTS) are not evaluated.
Original NVD description (English source)
When a BIG IP Advanced WAF or ASM security policy is configured on a virtual server, undisclosed requests can cause the bd process to terminate. Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.
Vulnerability data from NVD (NIST) · CISA KEV · EPSS

