How severe is CVE-2025-57819?

CVE-2025-57819 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2025-57819 being actively exploited?

Yes. CVE-2025-57819 is on CISA's Known Exploited Vulnerabilities (KEV) catalog, added on 2025-08-29, which means active exploitation has been confirmed. It should be prioritised for remediation.

What products are affected by CVE-2025-57819?

CVE-2025-57819 affects Sangoma Freepbx. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2025-57819?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Because this CVE is known to be actively exploited, treat remediation as urgent — CISA KEV typically sets a short remediation deadline.

Does CVE-2025-57819 have an EU (EUVD) identifier?

Yes. CVE-2025-57819 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-26123. It is also flagged as exploited in the EUVD (since 2025-08-29).

When was CVE-2025-57819 published?

CVE-2025-57819 was published on 2025-08-28 and last updated on 2026-06-17.

CVE-2025-57819

CVE-2025-57819 is a critical-severity vulnerability in Sangoma Freepbx with a CVSS 3.x base score of 9.8. It is listed in CISA's Known Exploited Vulnerabilities (KEV) catalog, confirming it has been exploited in the wild (added 2025-08-29). The underlying weakness is classified as CWE-89.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
CVSS v4: 10.0
EPSS exploit prediction: 93% (100th percentile)
Actively exploited: Yes — listed in CISA KEV (added 2025-08-29)
EU (EUVD) id: EUVD-2025-26123
EU exploitation: Flagged exploited in the ENISA EU Vulnerability Database (since 2025-08-29)
Weakness: CWE-89
Affected product: Sangoma Freepbx
Published: 2025-08-28
Last modified: 2026-06-17

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.

Frequently asked questions

What is CVE-2025-57819?: 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.
How severe is CVE-2025-57819?: CVE-2025-57819 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2025-57819 being actively exploited?: Yes. CVE-2025-57819 is on CISA's Known Exploited Vulnerabilities (KEV) catalog, added on 2025-08-29, which means active exploitation has been confirmed. It should be prioritised for remediation.
What products are affected by CVE-2025-57819?: CVE-2025-57819 affects Sangoma Freepbx. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-57819?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Because this CVE is known to be actively exploited, treat remediation as urgent — CISA KEV typically sets a short remediation deadline.
Does CVE-2025-57819 have an EU (EUVD) identifier?: Yes. CVE-2025-57819 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-26123. It is also flagged as exploited in the EUVD (since 2025-08-29).
When was CVE-2025-57819 published?: CVE-2025-57819 was published on 2025-08-28 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:sangoma:freepbx:*:*:*:*:*:*:*:*

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