CVE-2025-64328
FreePBX filestore
Published 7 Nov 2025 · updated 17 Jun 2026 · Analyzed
Exploited in the wild
CISA added this to its Known Exploited Vulnerabilities catalog on 3 Feb 2026, with a remediation deadline of 24 Feb 2026 for US federal agencies.
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.
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.
References
- github.com/FreePBX/filestore/blob/f0e3983059271efd80b483ec823310ef19a59013/drivers/SSH/testconnection.php#L2 · Product
- github.com/FreePBX/security-reporting/security/advisories/GHSA-vm9p-46mv-5xvw · Vendor Advisory, Mitigation
- www.freepbx.org/watch-what-we-do-with-security-fixes-%f0%9f%91%80 · Vendor Advisory
- www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-64328 · Third Party Advisory, US Government Resource
- www.fortinet.com/blog/threat-research/unveiling-the-weaponized-web-shell-encystphp · Exploit, Third Party Advisory