CVE-2025-52665: A malicious actor with access to the management network could exploit a misconfiguration in UniFi’s door access appli…
- Is it exploited?
Reported, not confirmed by CISA. VulnCheck KEV lists it as exploited in the wild. CISA has not added it to its Known Exploited Vulnerabilities catalog as of .
VulnCheck KEV lists it since . It cites 1 public report, the first from .
- How likely is exploitation in the next 30 days?
- 41.1%
EPSS score, percentile 98.7 of all scored records. A probability estimated by FIRST, not a report of exploitation.
- How severe?
- 10.0 Critical
CVSS v3.1 base score, from CISA's enrichment of the record
- What should I do?
CISA has set no required action, because the vulnerability is not in KEV.
The CVE record links no vendor advisory, patch or mitigation.
- Which versions are affected?
Affected
- 3.3.22 through 3.4.31
Source: CISA KEV 2026.10.29, as of ; VulnCheck KEV, as of ; FIRST EPSS, as of ; CVE List, as of . About the data.
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.
Source: CVE List, as of . About the data.
What to do
Advisories and patches
The CVE record links no vendor advisory, patch or mitigation.
This summary is based on the CVE record as of . Check the vendor's advisory before you act: affected versions and fixes can change.
Affected products and versions
Versions by product, as listed in the CVE record (1 product)
| Status | Versions |
|---|---|
| Affected | 3.3.22 through 3.4.31 |
Versions not listed are: unaffected.
Source: CVE List, as of . About the data.
Weakness
CWE-306
- CWE-306: Missing Authentication for Critical Function
CWE and CAPEC are maintained by MITRE; the entries are those named in the CVE record.
Timeline
| Date | Event |
|---|---|
| CVE record published | |
| CVE record last updated |
References
1
Known exploited Ubiquiti vulnerabilities
- CVE-2026-34908: Ubiquiti UniFi OS Improper Access Control Vulnerability
- CVE-2026-34909: Ubiquiti UniFi OS Path Traversal Vulnerability
- CVE-2026-34910: Ubiquiti UniFi OS Improper Input Validation Vulnerability
- CVE-2010-5330: Ubiquiti AirOS Command Injection Vulnerability