NULL pointer dereference in F5 Big-ip
CVE-2025-52585
When a BIG-IP LTM Client SSL profile is configured on a virtual server with SSL Forward Proxy enabled and Anonymous Diffie-Hellman (ADH) ciphers enabled, undisclosed requests can cause the Traffic Management Microkernel (TMM) to terminate…
EPSS: 0.003 (22.8th 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)
Public proof-of-concept exploits
References
- f5sirt@f5.com (vendor-advisory, Vendor Advisory)
Frequently asked questions
- What is CVE-2025-52585?
- CVE-2025-52585 is a high-severity vulnerability in F5 Big-ip, classified under NULL Pointer Dereference. CVSS score: 7.5/10. Published 2025-08-13.
- How severe is CVE-2025-52585?
- High severity. CVSS v3 base score is 7.5 out of 10.
- Is CVE-2025-52585 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.