CVE-2025-53521

CRITICAL KEV

BIG-IP APM - DoS

Title source: llm

Description

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.

Scores

CVSS v3 9.8
EPSS 0.0745
EPSS Percentile 91.8%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Details

CISA KEV 2026-03-27
VulnCheck KEV 2026-03-27
ENISA EUVD EUVD-2025-34630
CWE
CWE-121
Status published
Products (25)
F5/BIG-IP 15.1.0 - 15.1.10.8
F5/BIG-IP 16.1.0 - 16.1.6.1
F5/BIG-IP 17.1.0 - 17.1.3
F5/BIG-IP 17.5.0 - 17.5.1.3
f5/big-ip_access_policy_manager 15.1.0 - 15.1.10.8
f5/big-ip_advanced_firewall_manager 15.1.0 - 15.1.10.8
f5/big-ip_advanced_web_application_firewall 15.1.0 - 15.1.10.8
f5/big-ip_analytics 15.1.0 - 15.1.10.8
f5/big-ip_application_acceleration_manager 15.1.0 - 15.1.10.8
f5/big-ip_application_security_manager 15.1.0 - 15.1.10.8
... and 15 more
Published Oct 15, 2025
KEV Added Mar 27, 2026
Tracked Since Feb 18, 2026