CVE-2026-21634
Medium
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.
SeverityMedium
CVSS6.5
Exploit probability—
ProductUi Unifi Protect
PublishedJan 5, 2026
First seenJan 5, 2026
Weakness typeCWE-119Memory buffer bounds error
How to fix
Update
- ui unifi_protect6.2.72 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| ui unifi_protect | v < 6.2.72 | 6.2.72 |
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