CVE-2022-2030

A directory traversal vulnerability caused by specific character sequences within an improperly sanitized URL was identified in some CGI programs of Zyxel USG FLEX 100(W) firmware versions 4.50 through 5.30, USG FLEX 200 firmware versions 4.50 through 5.30, USG FLEX 500 firmware versions 4.50 through 5.30, USG FLEX 700 firmware versions 4.50 through 5.30, USG FLEX 50(W) firmware versions 4.16 through 5.30, USG20(W)-VPN firmware versions 4.16 through 5.30, ATP series firmware versions 4.32 through 5.30, VPN series firmware versions 4.30 through 5.30, USG/ZyWALL series firmware versions 4.11 through 4.72, that could allow an authenticated attacker to access some restricted files on a vulnerable device.

• zyxel usg flex 100w firmware (>= 4.50 <= 5.30) • zyxel usg flex 200 firmware (>= 4.50 <= 5.30) • zyxel usg flex 500 firmware (>= 4.50 <= 5.30) • zyxel usg flex 700 firmware (>= 4.50 <= 5.30) • zyxel usg flex 50w firmware (>= 4.20 <= 5.30) • zyxel usg20w-vpn firmware (>= 4.20 <= 5.30) • zyxel atp800 firmware (>= 4.32 <= 5.30) • zyxel atp700 firmware (>= 4.32 <= 5.30) • zyxel atp500 firmware (>= 4.32 <= 5.30) • zyxel atp200 firmware (>= 4.32 <= 5.30) • zyxel atp100w firmware (>= 4.32 <= 5.30) • zyxel atp100 firmware (>= 4.32 <= 5.30) • zyxel vpn1000 firmware (>= 4.30 <= 5.30) • zyxel vpn300 firmware (>= 4.30 <= 5.30) • zyxel vpn100 firmware (>= 4.30 <= 5.30) • zyxel vpn50 firmware (>= 4.30 <= 5.30) • zyxel usg20-vpn firmware (>= 4.30 <= 5.30) • zyxel usg 2200-vpn firmware (>= 4.30 <= 5.30) • zyxel zywall 110 firmware (>= 4.30 <= 5.30) • zyxel zywall 310 firmware (>= 4.30 <= 5.30) • zyxel zywall 1100 firmware (>= 4.30 <= 5.30) • zyxel usg40 firmware (>= 4.20 <= 4.72) • zyxel usg40w firmware (>= 4.20 <= 4.72) • zyxel usg60 firmware (>= 4.20 <= 4.72) • zyxel usg60w firmware (>= 4.20 <= 4.72)