CVE-2025-64328: Sangoma FreePBX OS Command Injection Vulnerability
- Is it exploited?
Yes. CISA added it to the Known Exploited Vulnerabilities catalog on , 88 days after the CVE record was published.
- How likely is exploitation in the next 30 days?
- 84.6%
EPSS score, percentile 99.7 of all scored records
- How severe?
- 8.6 High
CVSS v4.0 base score, given by the CNA
- What should I do?
CISA deadline . Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
The CVE record links no vendor advisory, patch or mitigation.
- Which versions are affected?
Affected
- >= 17.0.2.36, < 17.0.3
Source: CISA Known Exploited Vulnerabilities (KEV) catalog, 2026.10.28, as of ; FIRST Exploit Prediction Scoring System (EPSS), v2026.06.15, as of ; CVE List V5 (CVE Program), cve_2026-10-28_0000Z, as of . About the data.
What to do
Required action, set by CISA
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 due date for this action: .
Advisories and patches
The CVE record links no vendor advisory, patch or mitigation.
Linked from CISA's catalog entry
- https://github.com/FreePBX/security-reporting/security/advisories/GHSA-vm9p-46mv-5xvw
- https://nvd.nist.gov/vuln/detail/CVE-2025-64328
Affected products and versions
As listed in the CVE record.
| Status | Versions |
|---|---|
| Affected | >= 17.0.2.36, < 17.0.3 |
Source: CVE List V5 (CVE Program), cve_2026-10-28_0000Z, as of . About the data.
About this vulnerability
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.
Summary: CISA's KEV catalog, as of .
- CISA added CVE-2025-64328 to its Known Exploited Vulnerabilities (KEV) catalog on 3 Feb 2026.
- CISA's ransomware flag for this entry is "Unknown": no evidence of ransomware use in the catalog, which is not proof of none.
- The due date CISA sets for the required action is 24 Feb 2026.
- The CVE record was published on 7 Nov 2025, 88 days before it was added to KEV.
- The CVE record carries a CVSS v4.0 base score of 8.6 (High), given by its CNA.
- FIRST's EPSS model puts the probability of exploitation in the next 30 days at 84.6% (percentile 99.7), as of 28 Oct 2026.
- CISA's SSVC assessment in the CVE record: exploitation active, automatable no, technical impact total.
Source: CISA Known Exploited Vulnerabilities (KEV) catalog, 2026.10.28, as of ; CVE List V5 (CVE Program), cve_2026-10-28_0000Z, as of ; FIRST Exploit Prediction Scoring System (EPSS), v2026.06.15, as of . About the data.
Description
FreePBX Administration GUI is Vulnerable to Authenticated Command Injection
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.
Source: CVE List V5 (CVE Program), cve_2026-10-28_0000Z, as of . About the data.
Weakness
- CWE-78: Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
CWE and CAPEC are maintained by MITRE; the entries are those named in the CVE record and the KEV entry.
Timeline
| Date | Event |
|---|---|
| CVE record published | |
| Added to CISA KEV | |
| CVE record last updated | |
| CISA due date for the required action |
References
- https://github.com/FreePBX/security-reporting/security/advisories/GHSA-vm9p-46mv-5xvw
- https://github.com/FreePBX/filestore/blob/f0e3983059271efd80b483ec823310ef19a59013/drivers/SSH/testconnection.php#L2
- https://www.freepbx.org/watch-what-we-do-with-security-fixes-%f0%9f%91%80
More exploited Sangoma vulnerabilities
- CVE-2026-9586: Sangoma Switchvox SQL Injection Vulnerability
- CVE-2019-19006: Sangoma FreePBX Improper Authentication Vulnerability
- CVE-2025-57819: Sangoma FreePBX Authentication Bypass Vulnerability