NetSight
high8.8

CVE-2023-27991

The post-authentication command injection vulnerability in the CLI command of Zyxel ATP series firmware versions 4.32 through 5.35, USG FLEX series firmware ve…

Impact

The post-authentication command injection vulnerability in the CLI command of Zyxel ATP series firmware versions 4.32 through 5.35, USG FLEX series firmware versions 4.50 through 5.35, USG FLEX 50(W) firmware versions 4.16 through 5.35, USG20(W)-VPN firmware versions 4.16 through 5.35, and VPN series firmware versions 4.30 through 5.35, which could allow an authenticated attacker to execute some OS commands remotely.

Affected products

VendorProductAffected versions
ZyxelAtp200 Firmware
from 4.32 before 5.36
ZyxelAtp100 Firmware
from 4.32 before 5.36
ZyxelAtp700 Firmware
from 4.32 before 5.36
ZyxelAtp500 Firmware
from 4.32 before 5.36
ZyxelAtp100w Firmware
from 4.32 before 5.36
ZyxelAtp800 Firmware
from 4.32 before 5.36
ZyxelUsg Flex 100 Firmware
from 4.50 before 5.36
ZyxelUsg Flex 50 Firmware
from 4.50 before 5.36
ZyxelUsg Flex 200 Firmware
from 4.50 before 5.36
ZyxelUsg Flex 500 Firmware
from 4.50 before 5.36
ZyxelUsg Flex 700 Firmware
from 4.50 before 5.36
ZyxelUsg Flex 100w Firmware
from 4.50 before 5.36

Weakness classification

References