CVE-2022-30105: Belkin n300 Firmware

Critical severity, CVSS 9.8. EPSS: 2.9% chance of exploitation in the next 30 days.

In Belkin N300 Firmware 1.00.08, the script located at /setting_hidden.asp, which is accessible before and after configuring the device, exhibits multiple remote command injection vulnerabilities. The following parameters in the [form name] form; [list vulnerable parameters], are not properly sanitized after being submitted to the web interface in a POST request. With specially crafted parameters, it is possible to inject a an OS command which will be executed with root privileges, as the web interface, and all processes on the device, run as root.

Affected products

• Belkin n300 Firmware: version 1.00.08 only

Published 2022-05-18. Last modified 2026-06-17.