Sangoma FreePBX Authentication Bypass Vulnerability (CVE-2025-57819)
Severity: critical · Patch status: unknown · Since 2025-08-29 · CVE-2025-57819
Sangoma FreePBX contains an authentication bypass vulnerability due to insufficiently sanitized user-supplied data allows unauthenticated access to FreePBX Administrator leading to arbitrary database manipulation and remote code execution. CISA added CVE-2025-57819 to its Known Exploited Vulnerabilities catalog on Aug 29, 2025, which means attackers are exploiting it in the wild.
What to do
- Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
- US federal agencies must remediate by Sep 19, 2025 (BOD 22-01); treat that as the outer limit.
Sources
All live incidents on Threat Watch