Sangoma · FreePBX

CVE-2025-57819

FreePBX Affected by Authentication Bypass Leading to SQL Injection and RCE

Exploited in attacks Critical 10.0 Attack chance: 95%

What it is

FreePBX is an open-source web-based graphical user interface. FreePBX 15, 16, and 17 endpoints are vulnerable due to insufficiently sanitized user-supplied data allowing unauthenticated access to FreePBX Administrator leading to arbitrary database manipulation and remote code execution. This issue has been patched in endpoint versions 15.0.66, 16.0.89, and 17.0.3.

CISA: Sangoma FreePBX contains an authentication bypass vulnerability due to insufficiently sanitized user-supplied data allows unauthenticated access to FreePBX Administrator leading to arbitrary database manipulation and remote code execution.

What to do

Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

Deadline for US federal agencies: September 19, 2025

Added to the CISA list: August 29, 2025
Published: August 28, 2025
Severity: Critical 10.0 CVSS 4.0
Chance of attacks in the next 30 days (EPSS): 95% in the top 0.1% of all known vulnerabilities
Weakness: CWE-89 CWE-288
More details: NVD · CVE.org · CISA

All references (2)

More exploited flaws from Sangoma

Added	Vulnerability	Product	Severity	Attack chance
Feb 3, 2026	Sangoma FreePBX Improper AuthenticationCVE-2019-19006	FreePBX	Critical 9.8	56%
Feb 3, 2026	FreePBX OS Command InjectionCVE-2025-64328	FreePBX	High 8.6	85%
Sep 2, 2026	SQL InjectionCVE-2026-9586	Switchvox	Critical 9.3	19%

All of them →

Sources: Known Exploited Vulnerabilities (CISA, public domain), CVE records (cve.org) and EPSS (FIRST). The chance of attacks is the EPSS estimate that someone will try to exploit the flaw in the next 30 days.