An issue was discovered in Moxa OnCell OnCellG3470A-LTE, AWK-1131A/3131A/4131A Series, AWK-3191 Series, AWK-5232/6232 Series, AWK-1121/1127 Series, WAC-1001 V2 Series, WAC-2004 Series, AWK-3121-M12-RTG Series, AWK-3131-M12-RCC Series, AWK-5232-M12-RCC Series, TAP-6226 Series, AWK-3121/4121 Series, AWK-3131/4131 Series, and AWK-5222/6222 Series. User is able to execute arbitrary OS commands on the server.