What is CVE-2025-64328?
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.
The record classifies CVE-2025-64328 under weakness class CWE-78. Its CVSS v3 base vector states that the flaw is reachable remotely over the network, needs high-privilege credentials, needs no user interaction, and has high impact on confidentiality, integrity, availability. 1 affected-product entry is recorded, across 1 vendor, listed below. The identifier was first published 332 days ago.
Severity and exploitation probability
- CVSS v3.1 base score
- 7.2 — HIGH
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H - CVSS v4.0 base score
- 8.6
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 - EPSS (FIRST)
- 78.0% probability of exploitation in the next 30 days, higher than 99.0% of all scored CVEs
- CISA KEV
- Listed since 2026-02-03, federal remediation deadline 2026-02-24
- Threadlinqs priority
- 9/10 — CISA KEV-listed, which Threadlinqs floors at 9
- Published
- 2025-11-07, last modified 2026-02-24
Is CVE-2025-64328 being exploited?
CISA added CVE-2025-64328 to the Known Exploited Vulnerabilities catalog on 2026-02-03, which means the agency holds evidence of exploitation in the wild; US federal civilian agencies had to remediate it by 2026-02-24 under BOD 22-01. It currently carries a trending score of 40 in the Threadlinqs vulnerability feed.
Affected products and versions
- Sangoma: Firestore
How to fix CVE-2025-64328
Vendor advisory: https://github.com/FreePBX/security-reporting/security/advisories/GHSA-vm9p-46mv-5xvw. Because CVE-2025-64328 is KEV-listed, US federal civilian agencies were required to apply the vendor fix, or stop using the product, by 2026-02-24. Apply the vendor fix referenced above to every affected product listed in this record, then confirm the running version against the vendor advisory.
Threat activity tracking CVE-2025-64328
2 tracked threats in the Threadlinqs corpus reference CVE-2025-64328, either in the campaign’s CVE list or as an indicator on the campaign record.
- JOMANGY: INJ3CTOR3 Self-Healing FreePBX Toll Fraud Campaign (CVE-2025-64328) — HIGH · 2026-05-21
- Sangoma FreePBX Authentication Bypass & Command Injection - CISA KEV — CRITICAL · 2026-02-03
Sources
Seeded from nvd and not yet processed by the Threadlinqs enrichment pipeline, so blank CVSS, EPSS or KEV fields above mean NOT MEASURED rather than measured-absent.