CVE-2021-33216: Commscope Ruckus IoT Controller

Critical severity, CVSS 9.8. EPSS: 13.8% chance of exploitation in the next 30 days.

An issue was discovered in CommScope Ruckus IoT Controller 1.7.1.0 and earlier. An Undocumented Backdoor exists, allowing shell access via a developer account.

Affected products

• Commscope Ruckus IoT Controller: up to and including 1.7.1.0

Published 2021-07-07. Last modified 2026-06-17.