CISA Adds CVE-2025-53521 to KEV After Active F5 BIG-IP APM Exploitation

The U.S. Cybersecurity and Infrastructure Security Agency CISA on Friday added a critical security flaw impacting F5 BIG-IP Access Policy Manager APM to its Known Exploited Vulnerabilities KEV catalog, citing evidence of active exploitation. The vulnerability in question is CVE-2025-53521 CVSS v4...