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CVE-2025-57819

critical

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.

References

https://horizon3.ai/attack-research/disclosures/cve-2026-9586-sangoma-switchvox-rce/

https://thehackernews.com/2025/12/freepbx-authentication-bypass-exposed.html

https://isc.sans.edu/diary/rss/32350

https://www.securityweek.com/sangoma-patches-critical-zero-day-exploited-to-hack-freepbx-servers/

https://www.cisa.gov/news-events/alerts/2025/08/29/cisa-adds-one-known-exploited-vulnerability-catalog

https://thehackernews.com/2025/08/freepbx-servers-targeted-by-zero-day.html

https://securityaffairs.com/181693/hacking/experts-warn-of-actively-exploited-freepbx-zero-day.html

https://horizon3.ai/attack-research/the-freepbx-rabbit-hole-cve-2025-66039-and-others/

https://github.com/r3vpwnx/CVE-2025-57819

https://github.com/DiegoRivas1/htb-labs-connected

https://github.com/jasonbernier/CVE-2025-5781

https://github.com/TeteREN/CVE-2025-57819-RCE

https://github.com/Jeanback1/exploit-vault

https://github.com/sam910313/cve

https://github.com/Samik-Parajuli/htb-connected-writeup

https://github.com/shunfeng8421/exploit-library

https://github.com/shunfeng8421/security-audit

https://github.com/Its1Zero/cve-2025-57819-exploit

https://github.com/0xyngtg/FreePBX-CVE-2025-57819-CVE-2025-61678

https://github.com/curme-miller/CVE-curme

https://github.com/YuvrajSHAD/FreePBX-CVE-2025-57819

https://github.com/jf-gondim/freepbx-endpoint-sqli-rce

https://github.com/Jeanback1/CVE-2025-57819-exploit

https://github.com/0xEhab/FreePBX-CVE-2025-57819-RCE

https://github.com/ZeroTrustWraith/Exploit-PoC

https://github.com/net-hex/Write-Ups

https://github.com/B1ack4sh/Blackash-CVE-2025-57819

https://github.com/net-hex/CVE-2025-57819

https://github.com/Sucuri-Labs/CVE-2025-57819-ioc-check

https://github.com/rxerium/CVE-2025-57819

https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-57819

https://github.com/FreePBX/security-reporting/security/advisories/GHSA-m42g-xg4c-5f3h

https://community.freepbx.org/t/security-advisory-please-lock-down-your-administrator-access/107203

Details

Source: Mitre, NVD

Published: 2025-08-28

Updated: 2026-06-17

Known Exploited Vulnerability (KEV)

Risk Information

CVSS v2

Base Score: 10

Vector: CVSS2#AV:N/AC:L/Au:N/C:C/I:C/A:C

Severity: Critical

CVSS v3

Base Score: 9.8

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

Severity: Critical

CVSS v4

Base Score: 10

Vector: 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

Severity: Critical

EPSS

EPSS: 0.85463

Vulnerability Watch

Tenable Research has classified this CVE under the following Vulnerability Watch classification, which includes active and historical (inactive) classifications. You can learn more about these classifications on our blog.

Vulnerability of Interest