CVE-2025-64328
Sangoma FreePBX OS Command Injection Vulnerability
Sangoma FreePBX
FreePBX Endpoint Manager is a module for managing telephony endpoints in FreePBX systems. In versions 17.0.2.36 and above before 17.0.3, the filestore module within the Administrative interface is vulnerable to a post-authentication command injection by an authenticated known user via the testconnection -> check_ssh_connect() function. An attacker can leverage this vulnerability to obtain remote access to the system as an asterisk user. This issue is fixed in version 17.0.3.
Exploitation status
CISA Known Exploited Vulnerabilities
Listed by CISA on 3 February 2026. US federal agencies were required to remediate it by 24 February 2026.
EPSS — exploitation probability
FIRST puts the probability of exploitation activity in the next 30 days at 84.6%, which is higher than 99.7% of all scored vulnerabilities. EPSS is a forecast of activity, not a measure of severity, and it is rescored daily.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Frequently asked questions
Is CVE-2025-64328 being exploited by ransomware groups?
No ransomware group in this database is currently recorded as exploiting CVE-2025-64328.
What does CVE-2025-64328 affect?
CVE-2025-64328 affects Sangoma FreePBX. FreePBX Endpoint Manager is a module for managing telephony endpoints in FreePBX systems. In versions 17.0.2.36 and above before 17.0.3, the filestore module within the Administrative interface is vulnerable to a post-authentication command injection by an authenticated known user via the testconnection -> check_ssh_connect() function. An attacker can leverage this vulnerability to obtain remote access to the system as an asterisk user. This issue is fixed in version 17.0.3.
How severe is CVE-2025-64328?
CVE-2025-64328 is rated HIGH with a CVSS base score of 7.2. EPSS puts the probability of exploitation in the next 30 days at 84.6%, higher than 99.7% of all scored vulnerabilities. It is listed in the CISA Known Exploited Vulnerabilities catalog, with a federal remediation deadline of 24 February 2026.
How should organisations respond to CVE-2025-64328?
Apply the vendor patch for Sangoma FreePBX as the first priority, and treat any internet-facing instance as the most urgent. Because this vulnerability is associated with ransomware activity, also review whether the affected systems were reachable before patching, rather than assuming that patching alone closes the incident.