A malicious actor with access to the adjacent network could overflow the UniFi Protect Application (Version 6.1.79 and earlier) discovery protocol causing it to restart.


Affected Products:
UniFi Protect Application (Version 6.1.79 and earlier).

Mitigation:
Update your UniFi Protect Application to Version 6.2.72 or later.
Advisories

No advisories yet.

Fixes

Solution

No solution given by the vendor.


Workaround

No workaround given by the vendor.

History

Tue, 06 Jan 2026 14:30:00 +0000

Type Values Removed Values Added
First Time appeared Ubiquiti
Ubiquiti protect Application
Vendors & Products Ubiquiti
Ubiquiti protect Application

Tue, 06 Jan 2026 00:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Mon, 05 Jan 2026 21:30:00 +0000

Type Values Removed Values Added
Weaknesses CWE-119

Mon, 05 Jan 2026 17:00:00 +0000

Type Values Removed Values Added
Description A malicious actor with access to the adjacent network could overflow the UniFi Protect Application (Version 6.1.79 and earlier) discovery protocol causing it to restart. Affected Products: UniFi Protect Application (Version 6.1.79 and earlier). Mitigation: Update your UniFi Protect Application to Version 6.2.72 or later.
References
Metrics cvssV3_1

{'score': 6.5, 'vector': 'CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H'}


Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: hackerone

Published:

Updated: 2026-01-05T20:42:08.706Z

Reserved: 2026-01-01T15:00:02.338Z

Link: CVE-2026-21634

cve-icon Vulnrichment

Updated: 2026-01-05T20:41:58.555Z

cve-icon NVD

Status : Awaiting Analysis

Published: 2026-01-05T17:15:47.243

Modified: 2026-01-08T18:09:49.800

Link: CVE-2026-21634

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-01-06T14:16:46Z

Weaknesses