What’s Vulnerable › Vulnerabilities
CVE-2025-52665
- Severity: critical (CVSS 10.0 v3.1)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 41.1% probability of exploitation in the next 30 days
- Public exploit or detection template: yes
- Published: 2025-10-31 · updated 2026-10-18
- Weakness: CWE-306
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.
Affected products
- Ubiquiti Inc UniFi Access Application: from 3.3.22 before 4.0.21 — fixed in 4.0.21
How to fix
Upgrade to a fixed version: Ubiquiti Inc UniFi Access Application 4.0.21. Check the vendor advisory for mitigations.
References
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