EnGenius EWS356-Fit devices through 1.1.30 allow a remote attacker to conduct stored XSS attacks via the Wi-Fi SSID parameters. JavaScript embedded into a vulnerable field is executed when the user clicks the SSID field's corresponding EDIT button.

EnGenius EWS356-FIT devices through 1.1.30 allow blind OS command injection. This allows an attacker to execute arbitrary OS commands via shell metacharacters to the Ping and Speed Test utilities.