Netgear WG302v2 ui_get_input_value command injection

A vulnerability was found in Netgear WG302v2 up to 5.2.9 and classified as critical. Affected by this issue is the function ui_get_input_value. The manipulation of the argument host leads to command injection. The attack may be launched remotely. The vendor was contacted early about this disclosure but did not respond in any way.

Netgear WG302v2 v5.2.9 and WAG302v2 v5.1.19 were discovered to contain multiple command injection vulnerabilities in the upgrade_handler function via the firmwareRestore and firmwareServerip parameters.