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Critical · 9.3 Public exploit CVE-2025-66039 EUVD-2025-202329

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

Published Dec 9, 2025 · Updated Feb 26, 2026 · Assigned by GitHub_M

Vendor: FreePBX Product: framework

Description

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.

Affected products

VendorProductAffectedFixed
FreePBX framework < 16.0.44, >= 17.0.1, < 17.0.23 —

Public exploits

Exploit or proof-of-concept code for this vulnerability is publicly available, which lowers the bar for attackers. Treat it as a reason to patch sooner.

Third-party code, not reviewed by us. Public PoCs are sometimes fake or contain malware. Read the code first and run it only in an isolated lab, against systems you are authorised to test.

Metasploit 3 modules

GitHub 2 repositories

  • cyberleelawat/FreePBX-Multiple-CVEs-2025 ★ 1 · Dec 16, 2025

    This repository documents three security vulnerabilities discovered in FreePBX (CVE-2025-66039, CVE-2025-61678, CVE-2025-61675), including analysis, impact, and proof-of-concept details for security …

  • BimBoxH4/CVE-2025-66039_CVE-2025-61675_CVE-2025-61678_reePBX ★ 1 · Dec 14, 2025

    This vulnerability allows both authenticated and unauthenticated remote attackers to execute remote code on vulnerable FreePBX instances. These issues have been fixed in FreePBX versions 16.0.42, 16.…

Sources: PoC-in-GitHub, Metasploit Framework, Exploit-DB — updated daily. Only links are listed; no exploit code is hosted here.

References