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TI-2025-40565 Aliases CVE-2025-66039

FreePBX Endpoint Manager Allows Unauthenticated Logins to Administrator Control Panel via Forged Basic Auth Header

Priority MEDIUM 54CWE-287Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Attack requirements
None
Impact type
Security bypass
Confidentiality · integrity · availability
High · High · High
Fix status
Fixed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-287.

Summary

FreePBX Endpoint Manager is a module for managing telephony endpoints in FreePBX systems. Versions are vulnerable to authentication bypass when the authentication type is set to "webserver." When providing an Authorization header with an arbitrary value, a session is associated with the target user regardless of valid credentials. This issue is fixed in versions 16.0.44 and 17.0.23.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.03391 88th percentileScored 2026-11-07
Fix Fixed framework (FreePBX): 16.0.44, 17.0.23

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
Yes
Technical impact
Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
FreePBXframeworkbefore 16.0.44; 17.0.1 to before 17.0.2316.0.44, 17.0.23Patch availableCNA
  • framework VendorFreePBX Affected before 16.0.44; 17.0.1 to before 17.0.23 Fixed in 16.0.44, 17.0.23 Patch available CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:sangoma:freepbx:*:*:*:*:*:*:*:*before 16.0.44; 17.0.1 to before 17.0.23VulnerableSangoma
  • cpe:2.3:a:sangoma:freepbx:*:*:*:*:*:*:*:* Versions before 16.0.44; 17.0.1 to before 17.0.23 Vulnerable ·Sangoma

Remediation

  • Fix · CNA framework (FreePBX) Fixed in 16.0.44, 17.0.23

Timeline

  1. 2026-10-02 Threatist record created from CVE-2025-66039

References

Advisory 2

Other 1

  • TI-2025-35702 FreePBX Affected by Authentication Bypass Leading to SQL Injection and RCE KEVCVSS 4.0CRITICAL 10.0
  • TI-2025-39763 FreePBX Administration GUI is Vulnerable to Authenticated Command Injection KEVCVSS 4.0HIGH 8.6
  • TI-2024-38391 FreePBX 16 Authenticated Remote Code Execution via API Module CVSS 4.0HIGH 8.7
  • TI-2014-06023 htdocs_ari/includes/login.php in the ARI Framework module/Asterisk Recording Interface… CVSS 2.0HIGH 10.0
  • TI-2025-36981 FreePBX core module vulnerable to reflected cross-site scripting via Asterisk HTTP Status page CVSS 4.0HIGH 8.5
  • TI-2025-38110 FreePBX Endpoint Manager vulnerable to authenticated arbitrary file upload via fwbrand parameter CVSS 4.0HIGH 8.6
See all 55 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences