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.

CVSS 3.1

10.0CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H

EPSS

41% chance of exploitation in the next 30 days; higher than 98% of CVEs (scores of 2026-10-25)

CWE

CWE-306

Published

2025-10-31

Modified

2026-10-18

Record from

the NVD, synced 2026-10-19

Affected

• ui:unifi_access

References

• https://community.ui.com/releases/Security-Advisory-Bulletin-056/ce97352d-91cd-40a7-a2f4-2c73b3b30191

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