NULL pointer dereference in F5 Big-ip
CVE-2025-41433
When a Session Initiation Protocol (SIP) message routing framework (MRF) application layer gateway (ALG) profile is configured on a Message Routing virtual server, undisclosed requests can cause the Traffic Management Microkernel (TMM) to…
EPSS: 0.003 (25.7th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
Affected products
- F5 Big-ip — versions 17.5.0, 17.1.0, 16.1.0
- F5 Big-ip_access_policy_manager
- F5 Big-ip_advanced_firewall_manager
- F5 Big-ip_advanced_web_application_firewall
- F5 Big-ip_analytics
- F5 Big-ip_application_acceleration_manager
- F5 Big-ip_application_security_manager
- F5 Big-ip_application_visibility_and_reporting
- F5 Big-ip_automation_toolchain
- F5 Big-ip_carrier-grade_nat
Weakness classification (CWE)
References
- f5sirt@f5.com (vendor-advisory, Vendor Advisory)
Frequently asked questions
- What is CVE-2025-41433?
- CVE-2025-41433 is a high-severity vulnerability in F5 Big-ip, classified under NULL Pointer Dereference. CVSS score: 7.5/10. Published 2025-05-07.
- How severe is CVE-2025-41433?
- High severity. CVSS v3 base score is 7.5 out of 10.