F5 has reclassified a BIG-IP APM denial-of-service (DoS) vulnerability as a critical-severity remote code execution (RCE) flaw, warning that attackers are exploiting it to deploy webshells on ...

CVE-2025-53521 was first disclosed in October as a high-severity denial-of-service (DoS) flaw, but new information reveals ...

Internet security watchdog Shadowserver has found over 14,000 BIG-IP APM instances exposed online amid ongoing attacks ...

IT managers who use F5 BIG-IP Access Policy Manager (APM) (now operating under the name “BIG-IP Zero Trust Access”) for app ...

Threat actors are exploiting CVE-2025-53521, a critical F5 BIG-IP vulnerability that has been reclassified as a remote code execution issue.

Reclassified as a remote code execution flaw, the F5 BIG-IP APM vulnerability has been upgraded to CVSS 9.8, requiring ...