CSIRTS // UNIFIED SECURITY ADVISORY FEEDSYS ● ONLINE · POWERED BY INTELFUSIONS.COM

← Back to feed

CVE-2025-57819: Sangoma FreePBX Authentication Bypass Vulnerability

criticalknown exploitedpublic exploitCVE-2025-57819
Actively exploited. At least one CVE in this advisory is listed in the CISA Known Exploited Vulnerabilities catalog — exploitation has been observed in the wild. Treat remediation as urgent.
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.

CSIRTS triage

vendor: Sangomaproduct: FreePBXAuthentication bypassRemote code execution
What
An authentication bypass vulnerability allows unauthenticated access to FreePBX Administrator, leading to arbitrary database manipulation and remote code execution.
Who is affected
Users of Sangoma FreePBX.
Urgency
Remediation is urgent as the vulnerability is actively exploited and is critical in severity.
Action
Users should apply the latest security updates for FreePBX.

AI-assisted analysis generated from the source advisory — verify against the original.

⚡ Watch FreePBX

Get an email when a new FreePBX advisory drops — max one per day, one-click unsubscribe.

Details

Source
CISA Known Exploited Vulnerabilities (US · database · site)
Severity
critical
Published
2025-08-29
Exploitation
Observed in the wild (CISA KEV)

Original advisory: https://nvd.nist.gov/vuln/detail/CVE-2025-57819

Exploitation outlook

EPSS (FIRST.org) estimates each CVE’s probability of exploitation in the next 30 days — here is the CSIRTS.com read on those numbers.

Referenced CVEs

CVECSIRTS overviewExternal
CVE-2025-57819coverage & exploitation statusNVD · CVE.org

Recent advisories for Sangoma FreePBX Authentication

A cluster of recent advisories against the same product widens the attack surface — attackers routinely chain freshly published CVEs on one product, so review these together.

More from CISA Known Exploited Vulnerabilities