CVE-2021-20168: NETGEAR RAX43 Firmware

Medium severity, CVSS 6.8. EPSS: 0.3% chance of exploitation in the next 30 days.

Netgear RAX43 version 1.0.3.96 does not have sufficient protections to the UART interface. A malicious actor with physical access to the device is able to connect to the UART port via a serial connection, login with default credentials, and execute commands as the root user. These default credentials are admin:admin.

Affected products

• NETGEAR RAX43 Firmware: version 1.0.3.96 only

Published 2021-12-30. Last modified 2026-06-17.