The vulnerability of the microprogrammed software of Zyxel ATP, USG FLEX, and USG FLEX 50(W)/USG20(W)-VPN devices allows a hacker to execute arbitrary commands.

The vulnerability of the microprogrammed network devices Zyxel ATP, USG FLEX, and USG FLEX 50W/USG20W-VPN exists due to the lack of measures taken to neutralize the special elements used in the operating system commands. Exploiting this vulnerability allows a remote attacker to execute arbitrary...