Vulnerability Details CVE-2026-21634
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.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.0
EPSS Ranking 3.9%
CVSS Severity
CVSS v3 Score 6.5
Products affected by CVE-2026-21634
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cpe:2.3:a:ui:unifi_protect:1.13.3
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cpe:2.3:a:ui:unifi_protect:1.19.2
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cpe:2.3:a:ui:unifi_protect:1.20.0