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critical threat

F5 BIG-IP APM CVE-2025-53521 Reclassified as Actively Exploited Unauthenticated RCE

F5 has reclassified CVE-2025-53521, a vulnerability in BIG-IP APM, as a critical unauthenticated remote code execution vulnerability and reports it is being actively exploited in the wild.

exploited f5 big-ip apm cve-2025-53521 rce vulnerability
2r 1t 1c
critical advisory

Multiple Vulnerabilities in F5 BIG-IP and F5OS

Multiple vulnerabilities in F5 BIG-IP and F5OS allow an attacker to bypass security mechanisms, escalate privileges, cause a denial-of-service condition, perform a cross-site scripting attack, and disclose or manipulate information.

f5 big-ip f5os vulnerability
2r 5t