CVE-2025-57819
CriticalExploitedPublic exploitFreePBX 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.
Published Aug 28, 2025 · Updated Sep 27, 2026 · Also known as GHSA-m42g-xg4c-5f3h
Key Facts
Patch immediately- CVE-2025-57819 is a critical-severity vulnerability (CVSS 10.0 v4) affecting Freepbx (Sangoma), endpoint.
- It is exploited in the wild, listed in CISA KEV, Industry KEV feed, CIRCL KEV, ENISA EUVD since Aug 28, 2025. Public exploit code is available.
- EPSS estimates a 86% probability of exploitation in the next 30 days.
- Fixed versions are available, including Freepbx 15.0.66, Freepbx 16.0.89, Freepbx 17.0.3.
- Brandefense priority: patch immediately, because it is listed as exploited in the wild.
CVSS v4
10.0
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 (30-day exploit likelihood)
86%
Higher than 99.7% of all scored CVEs
Exploited in the wild
Yes
4 catalog listings
Public exploit code
Available
Proof-of-concept or weaponized module
Get the full CVE-2025-57819 brief as a PDF
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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.
Known-Exploited Catalog Listings
| Catalog | Added | Remediation due | Ransomware use |
|---|---|---|---|
| CISA KEV | Aug 29, 2025 | Sep 19, 2025 | Not reported |
| Industry KEV feed | Aug 28, 2025 | Sep 19, 2025 | Not reported |
| CIRCL KEV | Aug 29, 2025 | Sep 19, 2025 | Not reported |
| ENISA EUVD | Aug 29, 2025 | n/a | Not reported |
Required action: Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
Affected Products
2 affected entries in total| Product | Affected versions | Fixed in |
|---|---|---|
| FreepbxSangoma | See advisory | 15.0.66 |
| endpoint | >= < 15.0.66 | n/a |
Patched Releases
Freepbx
15.0.66, 16.0.89, 17.0.3
Timeline
Publicly disclosed
Aug 28, 2025
Added to Industry KEV feed
Aug 28, 2025
Added to CISA KEV
Aug 29, 2025
Added to CIRCL KEV
Aug 29, 2025
Added to ENISA EUVD
Aug 29, 2025
Last updated
Sep 27, 2026
Weakness Type
- 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
- advisoryhttps://community.freepbx.org/t/security-advisory-please-lock-down-your-administrator-access/107203
- advisoryhttps://github.com/CVEProject/cvelistV5/tree/main/cves/2025/57xxx/CVE-2025-57819.json
- advisoryhttps://github.com/FreePBX/security-reporting/security/advisories/GHSA-m42g-xg4c-5f3h
- advisoryhttps://nvd.nist.gov/vuln/detail/CVE-2025-57819
- exploitVulnCheck exploitation report
FAQ
Common Questions.
FreePBX is an open-source web-based graphical user interface.
Affected: Freepbx (Sangoma); endpoint versions >= < 15.0.66. The full list is in the CVE brief.
It is exploited in the wild, listed in CISA KEV, Industry KEV feed, CIRCL KEV, ENISA EUVD since Aug 28, 2025.
Yes. It was added on Aug 29, 2025 with a federal remediation due date of Sep 19, 2025.
Public exploit code is available.
Fixed versions are available, including Freepbx 15.0.66, Freepbx 16.0.89, Freepbx 17.0.3.
Brandefense priority: patch immediately, because it is listed as exploited in the wild.
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