CVE-2020-28998: Mygeeni Gnc-CW013 Firmware

Critical severity, CVSS 9.8. EPSS: 2.8% chance of exploitation in the next 30 days.

An issue was discovered on Geeni GNC-CW013 doorbell 1.8.1 devices. A vulnerability exists in the Telnet service that allows a remote attacker to take full control of the device with a high-privileged account. The vulnerability exists because a system account has a default and static password.

Affected products

• Mygeeni Gnc-CW013 Firmware: version 1.8.1 only

Published 2021-01-26. Last modified 2026-06-17.