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

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

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

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 ...

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.

The Cybersecurity and Infrastructure Security Agency released an alert March 27 on a vulnerability in F5 BIG-IP Access Policy Manager software that is being exploited for malicious cyber activity. F5 ...

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

UK organizations have been encouraged to immediately patch a critical new vulnerability in F5’s BIG-IP Access Policy Manager ...

Flaws in major application delivery and security platforms and VPN gateways are being actively exploited or targeted. Under ...

What Happened? Shares of application security provider F5 (NASDAQ:FFIV) jumped 2.8% in the afternoon session after the ...