CVE-2025-64328

CVE Enrichment

CVSS: 8.6 HIGH
EPSS: 84.62%
EPSS Percentile: 99.71%
CISA KEV: YES — Known Exploited Vulnerability

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.

Technical Details

CVSS Version: 4.0
CNA / NVD Source: [email protected]
Published: 07-Nov-2025 11:15
Last Modified: 17-Jun-2026 22:45
EPSS Date: 2026-11-09
CWE: CWE-78

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 /
                            E:X /
                            CR:X /
                            IR:X /
                            AR:X /
                            MAV:X /
                            MAC:X /
                            MAT:X /
                            MPR:X /
                            MUI:X /
                            MVC:X /
                            MVI:X /
                            MVA:X /
                            MSC:X /
                            MSI:X /
                            MSA:X /
                            S:X /
                            AU:X /
                            R:X /
                            V:X /
                            RE:X /
                            U:X

CISA KEV Details

Date Added: 2026-02-03
Remediation Due: 2026-02-24
Known Ransomware Campaign Use: 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.
Notes: https://github.com/FreePBX/security-reporting/security/advisories/GHSA-vm9p-46mv-5xvw ; https://nvd.nist.gov/vuln/detail/CVE-2025-64328

CNA Products / Version Status

FreePBX · filestore Source: CNA · [email protected]
Default status: unknown

>= 17.0.2.36, < 17.0.3 — affected

Affected Products / Versions

sangoma / filestore Source: NVD CPE · affected
Version / affected range: * · from (inclusive) 17.0.2.36 · before (exclusive) 17.0.3
cpe:2.3:a:sangoma:filestore:*:*:*:*:*:freepbx:*:*

References

Last enrichment sync: 10-Nov-2026 09:01
Sources: NVD · FIRST EPSS · CISA KEV
Latest successful provider update; providers refresh independently.

Reported Context (2)

web shells after attackers began exploiting a post-authentication command injection vulnerability (CVE-2025-64328) in December 2025. Over 900 Sangoma FreePBX Instances Remain Infected in Ongoing Attacks
The exploited bug, tracked as CVE-2025-64328 (CVSS score of 8.6) and patched in November 2025, impacts the filestore module of the endpoint manager’s administrative interface. Shadowserver Finds About 900 FreePBX Instances Still Running Web Shells

CVE (1)

Malware (1)

Threat Actors (1)

MITRE ATT&CK (2)

Vendors (1)

Products (2)

Countries (7)

Note: Related entities, including threat actors, malware, CVEs, MITRE ATT&CK techniques, vendors, products, tools, countries, and industries, are shown when they appear in the same reporting. Their presence does not necessarily mean they were targeted, compromised, vulnerable, responsible for the activity, or directly involved in the incident.