CVEs / CVE-2025-64328
CVE-2025-64328: Sangoma FreePBX OS Command Injection Vulnerability
- Known exploited in the CISA KEV catalog since 3 Feb 2026
- high 7.2 CVSS 3.1 (NVD)
- EPSS 84.6% chance of exploitation in the next 30 days, higher than 99% of CVEs (30 Oct 2026)
- Last changed at its sources
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Summary
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.
Description
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.
Affected and fixed versions
| Product | Affected | Fixed in |
|---|---|---|
| FreePBX filestore | >= 17.0.2.36, < 17.0.3 | — |
Exploitation
| In CISA KEV since | 3 Feb 2026 |
|---|---|
| Due date for US federal agencies | 24 Feb 2026 |
| Used in ransomware campaigns | Unknown |
| Required action | Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable. |
Severity
| CVSS 3.1 | 7.2 highCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:HScored by NVD |
|---|---|
| Weakness | CWE-78 |
References
- CVE-2025-64328 on NVD
- CVE-2025-64328 in the CISA KEV catalog
- https://github.com/FreePBX/security-reporting/security/advisories/GHSA-vm9p-46mv-5xvw (cited by CISA)
- CVE-2025-64328 on OSV
- https://github.com/FreePBX/filestore/blob/f0e3983059271efd80b483ec823310ef19a59013/drivers/SSH/testconnection.php#L2 Product
- https://github.com/FreePBX/security-reporting/security/advisories/GHSA-vm9p-46mv-5xvw Vendor Advisory, Mitigation
- https://www.freepbx.org/watch-what-we-do-with-security-fixes-%f0%9f%91%80 Vendor Advisory
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-64328 Third Party Advisory, US Government Resource
- https://www.fortinet.com/blog/threat-research/unveiling-the-weaponized-web-shell-encystphp Exploit, Third Party Advisory
Sources
Exploitation status from the CISA Known Exploited Vulnerabilities catalog. EPSS scores from FIRST. Descriptions, severity and references from the National Vulnerability Database. Open-source package versions from OSV (CC-BY 4.0). Text is shown as each source states it; Stackurity does not edit it. Check the vendor's advisory before acting.
This product uses data from the NVD API but is not endorsed or certified by the NVD.