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CRITICAL

CVE-2025-52665

CVSS v3

10

CRITICAL

EPSS Score

41.1 %

exploit probability, as of 2026-10-03

CISA KEV

No

known exploited

Exploitation

—

SSVC status

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.

Technical details

Published
2025-10-31

Frequently asked questions

What is CVE-2025-52665?

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.

Is CVE-2025-52665 actively exploited?

Active exploitation of CVE-2025-52665 has not been confirmed. Its EPSS score was 41.1% on 2026-10-03, the estimated probability of exploitation in the next 30 days.

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

CVE-2025-52665 has a CVSS v3 base score of 10 (CRITICAL severity).

Is CVE-2025-52665 affecting your environment?

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