CVE-2021-25378: Samsung Smartthings

Medium severity, CVSS 5.3. EPSS: 1% chance of exploitation in the next 30 days.

Improper access control of certain port in SmartThings prior to version 1.7.63.6 allows remote temporary denial of service.

Affected products

• Samsung Smartthings: before 1.7.63.6 (fixed in 1.7.63.6)

Published 2021-04-09. Last modified 2026-06-17.