NetSight
critical9.8

CVE-2021-35029

An authentication bypasss vulnerability in the web-based management interface of Zyxel USG/Zywall series firmware versions 4.35 through 4.64 and USG Flex, ATP,…

Impact

An authentication bypasss vulnerability in the web-based management interface of Zyxel USG/Zywall series firmware versions 4.35 through 4.64 and USG Flex, ATP, and VPN series firmware versions 4.35 through 5.01, which could allow a remote attacker to execute arbitrary commands on an affected device.

Affected products

VendorProductAffected versions
ZyxelUsg1900 Firmware
from 4.35 through 4.64
ZyxelUsg1100 Firmware
from 4.35 through 4.64
ZyxelUsg310 Firmware
from 4.35 through 4.64
ZyxelUsg210 Firmware
from 4.35 through 4.64
ZyxelUsg110 Firmware
from 4.35 through 4.64
ZyxelUsg40 Firmware
from 4.35 through 4.64
ZyxelUsg40w Firmware
from 4.35 through 4.64
ZyxelUsg60 Firmware
from 4.35 through 4.64
ZyxelUsg60w Firmware
from 4.35 through 4.64
ZyxelUsg300 Firmware
from 4.35 through 4.64
ZyxelUsg1000 Firmware
from 4.35 through 4.64
ZyxelUsg2000 Firmware
from 4.35 through 4.64

Weakness classification

References