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.
Published:Jan 5, 2026
Last Modified:Apr 18, 2026
EPS:Jan 5, 2026
EPSS Score:0.00021
CVSS Score:6.5
Affected Products
Vendor
Product
Action
Vendor
Ubiquiti
Product
Protect Application
Ubiquiti
Protect Application
Vendor
Ui
Product
Unifi Protect
Ui
Unifi Protect
Exploits
No exploit reference
Common Weakness Enumeration
Common Attack Pattern Enumeration and Classification (CAPEC)
Related CVEs
Common Vulnerability Scoring System
Attack Vector
Network
Adjacent
Local
Physical
Privileges Required
None
Low
High
User Interaction
None
Required
Scope
Unchanged
Changed
Confidentiality
None
Low
High
Integrity
None
Low
High
Availability
None
Low
High
