Security News CISA Adds CVE-2025-53521 to KEV After Active F5 BIG-IP APM Exploitation TheHackerNews Daniel Bender 28 Mar 2026 CISA adds actively exploited F5 BIG-IP APM CVE-2025-53521 (CVSS 9.3) to KEV, ordering FCEB patch by March 30, 2026 to curb RCE risk.
