CVE-2023-22917

A buffer overflow vulnerability in the “sdwan_iface_ipc” binary of Zyxel ATP series firmware versions 5.10 through 5.32, USG FLEX series firmware versions 5.00 through 5.32, USG FLEX 50(W) firmware versions 5.10 through 5.32, USG20(W)-VPN firmware versions 5.10 through 5.32, and VPN series firmware versions 5.00 through 5.35, which could allow a remote unauthenticated attacker to cause a core dump with a request error message on a vulnerable device by uploading a crafted configuration file.

• zyxel usg flex 100 firmware (>= 5.00 <= 5.32) • zyxel usg flex 100w firmware (>= 5.00 <= 5.32) • zyxel usg flex 200 firmware (>= 5.00 <= 5.32) • zyxel usg flex 50 firmware (>= 5.00 <= 5.32) • zyxel usg flex 50w firmware (>= 5.10 <= 5.32) • zyxel usg flex 500 firmware (>= 5.00 <= 5.32) • zyxel usg flex 700 firmware (>= 5.00 <= 5.32) • zyxel vpn100 firmware (>= 5.00 <= 5.35) • zyxel vpn1000 firmware (>= 5.00 <= 5.35) • zyxel vpn300 firmware (>= 5.00 <= 5.35) • zyxel vpn50 firmware (>= 5.00 <= 5.35) • zyxel usg 20w-vpn firmware (>= 5.10 <= 5.32) • zyxel atp100 firmware (>= 5.10 <= 5.32) • zyxel atp100w firmware (>= 5.10 <= 5.32) • zyxel atp200 firmware (>= 5.10 <= 5.32) • zyxel atp500 firmware (>= 5.10 <= 5.32) • zyxel atp700 firmware (>= 5.10 <= 5.32) • zyxel atp800 firmware (>= 5.10 <= 5.32)