CVE-2025-64328 — Sangoma FreePBX OS Command Injection Vulnerability
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 use
Published
2025-11-07T03:32:20.670Z
Last modified
2026-02-13T22:08:51.717Z
CVSS vector
CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
CISA KEV — Actively Exploited
01What is this vulnerability?
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…
02Affected products
| Vendor | Product | Versions |
|---|
| FreePBX | filestore | >= 17.0.2.36, < 17.0.3 |
03Active exploitation status
Yes — actively exploited. Added to the CISA KEV catalog on 2026-02-03. Ransomware use: Unknown.
04Recommended remediation
- Patch to a fixed version listed in the vendor advisory (see references below).
- Mitigate with WAF rules, network egress filters, or feature flags where the patch is not yet available.
- Hunt historical logs for exploitation indicators — see Detection signatures below.
05Technical details
For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.
06Detection signatures
Open the Sigma generator with a pre-filled prompt for this CVE to draft a starting detection in your stack of choice:
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07Related CVEs
No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.
08Timeline
- Published: 2025-11-07T03:32:20.670Z
- Last modified: 2026-02-13T22:08:51.717Z
- Added to CISA KEV: 2026-02-03
- BOD 22-01 due: 2026-02-24
09References
- github.com — https://github.com/FreePBX/security-reporting/security/advisories/GHSA-vm9p-46mv…
- github.com — https://github.com/FreePBX/filestore/blob/f0e3983059271efd80b483ec823310ef19a590…
- www.freepbx.org — https://www.freepbx.org/watch-what-we-do-with-security-fixes-%f0%9f%91%80
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