14,000 F5 BIG-IP Doors Wide Open to RCE Nightmares
Hackers are pounding at the gates. Shadowserver spots 14,000+ exposed F5 BIG-IP APM systems, bleeding from a freshly minted RCE vuln that CISA's already sounding alarms over.
⚡ Key Takeaways
- Over 14,000 F5 BIG-IP APM instances remain exposed to active RCE exploits from CVE-2025-53521.
- F5 reclassified the five-month-old flaw to RCE after confirming wild exploitation; CISA mandates federal patches.
- Rebuild compromised systems from scratch—tainted backups may hide malware; AI-driven attacks loom larger.
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Originally reported by Bleeping Computer
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