CVE-2025-57819

Name: CVE-2025-57819
Creator: NVD / NIST
Published: 2025-08-28T17:15:36.79+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

CRITICALCVSS 10/10Actively ExploitedEPSS 93.29%

Last modified Jun 17, 2026

CVE-2025-57819 is a critical-severity vulnerability rated 10/10 on the CVSS scale. 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. CISA has confirmed active exploitation in the wild. EPSS estimates a 93.29% chance of exploitation in the next 30 days.

Description

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.

Metrics

CVSS 3.1

9.8/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CVSS 4.0

10/10

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/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 Probability

93.29%

99.8th percentile

Probability of exploitation in the next 30 days. Learn more

Exploitation Status

This vulnerability is listed in CISA’s Known Exploited Vulnerabilities catalog, confirming active exploitation in the wild. Federal agencies must remediate by Sep 19, 2025.

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Sangoma	Freepbx	>= 15.0, < 15.0.66
Sangoma	Freepbx	>= 16.0, < 16.0.89
Sangoma	Freepbx	>= 17.0, < 17.0.3

References

https://community.freepbx.org/t/security-advisory-please-lock-down-your-administrator-access/107203Issue Tracking, Vendor Advisory
https://github.com/FreePBX/security-reporting/security/advisories/GHSA-m42g-xg4c-5f3hMitigation, Vendor Advisory
https://github.com/watchtowrlabs/watchTowr-vs-FreePBX-CVE-2025-57819Exploit, Third Party Advisory
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-57819US Government Resource

Timeline

Published: Aug 28, 2025
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2025-57819?

How severe is CVE-2025-57819?

CVE-2025-57819 has a CVSS score of 10/10 (CRITICAL severity). The EPSS model estimates a 93.29% probability of exploitation in the next 30 days. This vulnerability is listed in CISA's Known Exploited Vulnerabilities catalog.

How do I fix CVE-2025-57819?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2025-57819?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST