Sangoma FreePBX OS Command Injection
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.
CISA deadline 2026-02-24 · passed 6 months ago · applies to US federal civilian agencies; used elsewhere as a reference SLA
What happened
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.
Who is affected
Sangoma FreePBX. Affected version ranges are listed in the vendor advisory and the NVD entry linked under Sources.
Weakness class: CWE-78.
Timeline
- Added to CISA KEVExploitation in the wild confirmed by CISA
- CISA remediation deadlinepassed 6 months ago
Sources
- NVD entry for CVE-2025-64328 nvd.nist.gov/vuln/detail/CVE-2025-64328
- CISA Known Exploited Vulnerabilities catalog www.cisa.gov/known-exploited-vulnerabilities-catalog
- github.com github.com/FreePBX/security-reporting/security/advisories/GHSA-vm9p-46mv-5xvw
- nvd.nist.gov nvd.nist.gov/vuln/detail/CVE-2025-64328