CVE-2025-52665
Critical
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.
SeverityCritical
CVSS10.0
Exploit probability—
ProductUi Unifi Access
PublishedOct 31, 2025
First seenOct 31, 2025
Weakness typeCWE-306Missing authentication for critical function
How to fix
Update
- ui unifi_access4.0.21 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| ui unifi_access | 3.3.22 ≤ v < 4.0.21 | 4.0.21 |
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