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CVE-2025-64328: Sangoma FreePBX OS Command Injection Vulnerability

criticalknown exploitedpublic exploitCVE-2025-64328
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 Endpoint Manager contains an OS command injection vulnerability that could allow for a post-authentication command injection by an authenticated known user via the testconnection -> check_ssh_connect() function. An attacker can leverage this vulnerability to potentially obtain remote access to the system as an asterisk user.

CSIRTS triage

vendor: Sangomaproduct: FreePBXCode injection
What
An OS command injection vulnerability could allow for post-authentication command injection by an authenticated user.
Who is affected
Deployments of Sangoma FreePBX Endpoint Manager.
Urgency
Remediation is urgent due to active exploitation and critical severity.
Action
Update Sangoma FreePBX to the latest version.

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

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Details

Source
CISA Known Exploited Vulnerabilities (US · database · site)
Severity
critical
Published
2026-02-03
Exploitation
Observed in the wild (CISA KEV)

Original advisory: https://nvd.nist.gov/vuln/detail/CVE-2025-64328

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-2025-64328coverage & exploitation statusNVD · CVE.org

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