10

CVE-2025-52665: ubiquiti inc unifi access application

CVSS: 10.0v3.1CriticalAnalyzed
Published 30-10-2025Last modified 31-10-2025
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Vulnerability summary

CVE-2025-52665 is a critical (CVSS 10.0) vulnerability in ubiquiti inc unifi access application. EPSS estimates a 41.09% chance of exploitation in the next 30 days, higher than 98.6% of scored vulnerabilities.

Overall risk
70/100
0100
High · default modelHow is this calculated?
CVSS score
10.0/10
010
Critical · v3.1 (CVE.org)
EPSS score
41.09%
0%100%
High · +0.12 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 30-10-2025
    PublishedVulnerability first disclosed.
  2. 31-10-2025
    Last modifiedVulnerability information updated.

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

2 scores · 2 sources · 1 version

EPSS trend

Probability

41.09%

Chance of exploitation in the next 30 days

Percentile

99%

Versus all other CVEs

30-day change

+0.12 pp

From 40.97% on 19-09-2026

19-09-202619-10-2026
EPSS score
41.09%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Ubiquiti inc1 product
Ui1 product

2 vendors · 2 products

References

1 links