Over 900 FreePBX Phone Systems Still Compromised — Is Your Business One of Them?
Shadowserver reports 900+ Sangoma FreePBX instances worldwide remain infected with web shells exploiting CVE-2025-64328 (CVSS 8.6). The INJ3CTOR3 threat actor deploys EncystPHP web shells for command execution and fraudulent outbound calls. US leads with 401 compromised systems.