CVE-2025-57819: Sangoma FreePBX Authentication Bypass Vulnerability

Reference page built from the source records below, each shown as its source publishes it. Dataset version ref-c59495221339, updated 2026-11-02T23:39:54.475Z.

CISA Known Exploited Vulnerabilities

Name: Sangoma FreePBX Authentication Bypass Vulnerability
Vendor: Sangoma
Product: FreePBX
Added to the catalog: 2025-08-29
Due date for US federal agencies: 2025-09-19
Weaknesses: CWE-89, CWE-288
Catalog version: 2026.10.30

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.

Required action (CISA)

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

Ransomware use: CISA does not mark known use of this vulnerability in ransomware campaigns.

Links in CISA's notes

Read on 2026-11-02T23:39:54.475Z under licence cisa-kev-cc0@b0067899 from https://www.cisa.gov/sites/default/files/feeds/known_exploited_vulnerabilities.json

NVD analysis

Status: Analyzed
Published: 2025-08-28T17:15:36.790
Last modified: 2026-09-26T00:10:00.127
Weaknesses: CWE-89, CWE-288

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.

Metric	Score	Severity	Vector	Scored by
CVSS 4.0	10	CRITICAL	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	[email protected] (Secondary)
CVSS 3.1	9.8	CRITICAL	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H	[email protected] (Primary)

References

https://community.freepbx.org/t/security-advisory-please-lock-down-your-administrator-access/107203 (Issue Tracking, Vendor Advisory)
https://github.com/FreePBX/security-reporting/security/advisories/GHSA-m42g-xg4c-5f3h (Mitigation, Vendor Advisory)
https://github.com/watchtowrlabs/watchTowr-vs-FreePBX-CVE-2025-57819 (Exploit, Third Party Advisory)
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-57819 (US Government Resource)

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

Read on 2026-11-02T23:42:22.836Z under licence nvd-api-terms-of-use@ff2a5288 from https://services.nvd.nist.gov/rest/json/cves/2.0?cveId=CVE-2025-57819

CVE record

Title (CNA): FreePBX Affected by Authentication Bypass Leading to SQL Injection and RCE
Assigner: GitHub_M
State: PUBLISHED
Published: 2025-08-28T16:45:18.749Z
Updated: 2026-02-26T17:47:51.014Z
Problem types: CWE-89: Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection'); CWE-288: Authentication Bypass Using an Alternate Path or Channel

References

Read on 2026-11-03T02:17:24.095Z under licence cve-terms-of-use@81bfa2f3 from https://raw.githubusercontent.com/CVEProject/cvelistV5/main/cves/2025/57xxx/CVE-2025-57819.json

Defensive techniques (MITRE D3FEND)

D3FEND maps these defensive techniques to the weakness (CWE) that NVD lists for this CVE, through the digital artifacts the weakness affects. D3FEND does not say they stop this vulnerability.

CWE-89: Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection')

Restore: Restore Software (acts on Software)
Isolate: Application-based Process Isolation (acts on Subroutine)
Harden: Software Update (acts on Software)
Harden: Domain Logic Validation (acts on Subroutine)
Model: Software Inventory (acts on Software)
Harden: Variable Initialization (acts on Subroutine)
Model: Asset Vulnerability Enumeration (acts on Software)
Harden: Trusted Library (acts on Subroutine)
Harden: Credential Scrubbing (acts on Subroutine)

D3FEND ontology version 1.6.0.

Read on 2026-11-02T23:54:25.031Z under licence d3fend-terms-of-use@f98cbc7e from https://d3fend.mitre.org/api/weakness/cwe/CWE-89.json

CWE-288: Authentication Bypass Using an Alternate Path or Channel

Harden: Software Update (acts on Software)
Harden: Variable Initialization (acts on Subroutine)
Model: Asset Vulnerability Enumeration (acts on Software)
Harden: Domain Logic Validation (acts on Subroutine)
Model: Software Inventory (acts on Software)
Restore: Restore Software (acts on Software)
Harden: Credential Scrubbing (acts on Subroutine)
Isolate: Application-based Process Isolation (acts on Subroutine)
Harden: Trusted Library (acts on Subroutine)

D3FEND ontology version 1.6.0.

Read on 2026-11-02T23:55:45.825Z under licence d3fend-terms-of-use@f98cbc7e from https://d3fend.mitre.org/api/weakness/cwe/CWE-288.json

MITRE D3FEND™ knowledge graph. © 2025 The MITRE Corporation.
"The MITRE Corporation (MITRE) hereby grants you a non-exclusive, royalty-free license to use D3FEND for research, development, and commercial purposes. Any copy you make for such purposes is authorized provided that you reproduce MITRE's copyright designation and this license in any such copy." Terms: https://d3fend.mitre.org/tou/

Sources and licences

CISA
Source: CISA Catalog of Known Exploited Vulnerabilities, version 2026.10.30, CC0 1.0. Use of this data does not imply endorsement by CISA or DHS.
CC0 1.0 Universal
National Vulnerability Database (NIST)
This product uses the NVD API but is not endorsed or certified by the NVD.
NVD API Terms of Use (NIST publications in the public domain, 17 U.S.C. 105)
CVE Program, The MITRE Corporation
Copyright © 1999-2026, The MITRE Corporation. CVE is a trademark and the CVE logo is a registered trademark of The MITRE Corporation. CVE Usage: MITRE hereby grants you a perpetual, worldwide, non-exclusive, no-charge, royalty-free, irrevocable copyright license to reproduce, prepare derivative works of, publicly display, publicly perform, sublicense, and distribute Common Vulnerabilities and Exposures (CVE™). Any copy you make for such purposes is authorized provided that you reproduce MITRE's copyright designation and this license in any such copy.
CVE Program Terms of Use ("CVE Usage" licence)
MITRE D3FEND
MITRE D3FEND™ knowledge graph. © 2025 The MITRE Corporation.
"The MITRE Corporation (MITRE) hereby grants you a non-exclusive, royalty-free license to use D3FEND for research, development, and commercial purposes. Any copy you make for such purposes is authorized provided that you reproduce MITRE's copyright designation and this license in any such copy." Terms: https://d3fend.mitre.org/tou/
MITRE D3FEND Terms of Use (site + knowledge graph); source repo MIT

Cite this page

Dragons Eye Ransomware Tracker, "CVE-2025-57819: Sangoma FreePBX Authentication Bypass Vulnerability",
entity page, dataset version ref-c59495221339, updated 2026-11-02T23:39:54.475Z,
https://ransomware-tracker.com/cve/CVE-2025-57819 (accessed 2026-11-03).
Underlying source: CISA Catalog of Known Exploited Vulnerabilities, version 2026.10.30.
Underlying source: National Vulnerability Database (NIST), CVE API 2.0, record last modified 2026-09-26T00:10:00.127.
Underlying source: CVE List (CVE Program, The MITRE Corporation), record updated 2026-02-26T17:47:51.014Z.
Underlying source: MITRE D3FEND, ontology version 1.6.0.

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