Is CVE-2025-52665 actively exploited?

CVE-2025-52665 has no public evidence of in-the-wild exploitation as of 2025-11-12.

What is the CVSS score for CVE-2025-52665?

CVE-2025-52665 has a CVSS score of 10 (CRITICAL severity). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H.

How do I patch CVE-2025-52665?

Patch guidance is available from ui security advisories. CVEDatabase generates AI-assisted remediation guidance on demand for CVE-2025-52665.

Fix CVE-2025-52665 - CRITICAL ui unifi access

Description

A malicious actor with access to the management network could exploit a misconfiguration in UniFi’s door access application, UniFi Access, that exposed a management API without proper authentication. This vulnerability was introduced in Version 3.3.22 and was fixed in Version 4.0.21 and later. Affected Products: UniFi Access Application (Version 3.3.22 through 3.4.31).   Mitigation: Update your UniFi Access Application to Version 4.0.21 or later.

CVSS Metrics

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
Attack Vector: network
Complexity: low
Privileges: none
User Action: none
Scope: changed
Confidentiality: high
Integrity: high
Availability: high
Weaknesses: CWE-306 · Missing Authentication

Metadata

Primary Vendor: UI
Published: 10/31/2025
Last Modified: 11/12/2025
Source: NIST NVD
Note: Verify all details with official vendor sources before applying patches.

CVE-2025-52665

Description

CVSS Metrics

Metadata

Affected Products

Remediation Guidance

Executive Summary