CVE-2023-28767: The configuration parser fails to sanitize user-controlled input in the Zyxel ATP series firmware versions 5.10 through 5.36, USG FLEX series firmware versions…

high8.8CVSS 3.1

AVAACLPRNUINSUCHIHAH

The configuration parser fails to sanitize user-controlled input in the Zyxel ATP series firmware versions 5.10 through 5.36, USG FLEX series firmware versions 5.00 through 5.36, USG FLEX 50(W) series firmware versions 5.10 through 5.36, USG20(W)-VPN series firmware versions 5.10 through 5.36, and VPN series firmware versions 5.00 through 5.36. An unauthenticated, LAN-based attacker could leverage the vulnerability to inject some operating system (OS) commands into the device configuration data on an affected device when the cloud management mode is enabled.

Affected

27 ranges· showing 25

Vendor	Product	Version range	Fixed in
zyxel	atp_series_firmware	—	—
zyxel	usg20_vpn_series_firmware	—	—
zyxel	usg_20w-vpn_firmware	>= 5.10 < 5.37	5.37
zyxel	usg_2200-vpn_firmware	>= 5.00 < 5.37	5.37
zyxel	usg_flex_100_firmware	>= 5.00 < 5.37	5.37
zyxel	usg_flex_100w_firmware	>= 5.00 < 5.37	5.37
zyxel	usg_flex_200_firmware	>= 5.00 < 5.37	5.37
zyxel	usg_flex_500_firmware	>= 5.00 < 5.37	5.37
zyxel	usg_flex_50_firmware	>= 5.00 < 5.37	5.37
zyxel	usg_flex_50_series_firmware	—	—
zyxel	usg_flex_50w_firmware	>= 5.00 < 5.37	5.37
zyxel	usg_flex_700_firmware	>= 5.00 < 5.37	5.37
zyxel	usg_flex_series_firmware	—	—
zyxel	vpn_series_firmware	—	—
zyxel	zywall_atp100_firmware	>= 5.10 < 5.37	5.37
zyxel	zywall_atp100w_firmware	>= 5.10 < 5.37	5.37
zyxel	zywall_atp200_firmware	>= 5.10 < 5.37	5.37
zyxel	zywall_atp500_firmware	>= 5.10 < 5.37	5.37
zyxel	zywall_atp700_firmware	>= 5.10 < 5.37	5.37
zyxel	zywall_atp800_firmware	>= 5.10 < 5.37	5.37
zyxel	zywall_vpn100_firmware	>= 5.00 < 5.37	5.37
zyxel	zywall_vpn2s_firmware	>= 5.00 < 5.37	5.37
zyxel	zywall_vpn300_firmware	>= 5.00 < 5.37	5.37
zyxel	zywall_vpn50_firmware	>= 5.00 < 5.37	5.37
zyxel	zywall_vpn_100_firmware	>= 5.00 < 5.37	5.37