F5 BigIP APM: Remote Code Execution
ID: 1a255ab3-e64c-5acd-bc24-1fad4547e8d1
STIX ID: report--1a255ab3-e64c-5acd-bc24-1fad4547e8d1
Feed Name: Kudelski Security
Threat Score
**Executive Summary:** A critical vulnerability (CVE-2025-53521) in F5 BIG-IP Access Policy Manager (APM) enabling potential unauthenticated remote code execution has been added to CISA's Known Exploited Vulnerabilities catalog; multiple 15.x–17.x releases are affected, F5 has published IOCs and observed TTPs, and immediate remediation by installing the listed fixed versions is recommended.
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