CVE-2025-53521 F5 BIG-IP
When a BIG-IP APM access policy is configured on a virtual server, specific malicious traffic can lead to Remote Code Execution (RCE). Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.
- CVSS
- 9.8 Critical
- EPSS
- 2.3%
- Percentile
- 84
- Published
- 2025-10-15
- Force
- 10 of 12
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
On CISA’s exploited list
F5 BIG-IP Stack-Based Buffer Overflow Vulnerability
- Added
- 2026-03-27
- Federal patch deadline
- 2026-03-30
- Ransomware use
- not known