CVE-2025-52665CRITICAL 10.0EPSS p98.5%

CVE-2025-52665CVE-2025-52665

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.

Scoring

CVSS 3.110.0 (CRITICAL)
VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
EPSS40.52% probability of exploitation · percentile 98.5% · 2026-06-18T12:00:27Z
Published2025-10-31
Last modified2025-11-12

Underlying weaknesses· 1

CWE-306

References

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

1

TypeTargetConfidenceTier
WeaknessMissing Authentication for Critical Functioncwe-3060%live

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Sourced from NVD + FIRST.org EPSS. Curated for EU compliance use cases by Adam Lundqvist, Founder at SQUR.