Critical severity · published Oct 31, 2025
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…
10.0
CVSS
41.1%
EPSS
No
On KEV
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 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 interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Changed
Exploitation
Is it being used?
Exploit prediction (EPSS)41.1% · higher than 99% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
UA
Unifi Access · UI
3.3.22 before 4.0.21 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2025-52665
CVE.org
https://www.cve.org/CVERecord?id=CVE-2025-52665
Vendor Advisory
https://community.ui.com/releases/Security-Advisory-Bulletin-056/ce97352d-91cd-40a7-a2f4-2c73b3b30191
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