critical
9.8
CWE
287
Advisory Published
Updated

CVE-2021-35029

First published: Fri Jul 02 2021(Updated: )

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.

Credit: security@zyxel.com.tw

Affected SoftwareAffected VersionHow to fix
Zyxel Usg1900 Firmware>=4.35<=4.64
Zyxel Usg1900
Zyxel Usg1100 Firmware>=4.35<=4.64
Zyxel Usg1100
Zyxel Usg310 Firmware>=4.35<=4.64
Zyxel Usg310
Zyxel Usg210 Firmware>=4.35<=4.64
Zyxel Usg210
Zyxel Usg110 Firmware>=4.35<=4.64
Zyxel Usg110
Zyxel Usg40 Firmware>=4.35<=4.64
Zyxel Usg40
Zyxel Usg40w Firmware>=4.35<=4.64
Zyxel Usg40w
Zyxel Usg60 Firmware>=4.35<=4.64
Zyxel Usg60
Zyxel Usg60w Firmware>=4.35<=4.64
Zyxel Usg60w
Zyxel Usg300 Firmware>=4.35<=4.64
Zyxel Usg300
Zyxel Usg1000 Firmware>=4.35<=4.64
Zyxel Usg1000
Zyxel Usg2000 Firmware>=4.35<=4.64
Zyxel Usg2000
Zyxel Usg20 Firmware>=4.35<=4.64
Zyxel Usg20
Zyxel Usg20w Firmware>=4.35<=4.64
Zyxel Usg20w
Zyxel Usg50 Firmware>=4.35<=4.64
Zyxel USG50
Zyxel Usg100 Firmware>=4.35<=4.64
Zyxel Usg100
Zyxel Usg200 Firmware>=4.35<=4.64
Zyxel Usg200
Zyxel Usg Flex 100 Firmware>=4.35<=5.01
Zyxel Usg Flex 100
Zyxel Usg Flex 200 Firmware>=4.35<=5.01
Zyxel Usg Flex 200
Zyxel Usg Flex 500 Firmware>=4.35<=5.01
Zyxel Usg Flex 500
Zyxel Usg Flex 100w Firmware>=4.35<=5.01
Zyxel Usg Flex 100w
Zyxel Usg Flex 700 Firmware>=4.35<=5.01
Zyxel Usg Flex 700
Zyxel Zywall Atp100 Firmware>=4.35<=5.01
Zyxel Zywall Atp100
Zyxel Zywall Atp100w Firmware>=4.35<=5.01
Zyxel Zywall Atp100w
Zyxel Zywall Atp200 Firmware>=4.35<=5.01
Zyxel Zywall Atp200
Zyxel Zywall Atp500 Firmware>=4.35<=5.01
Zyxel Zywall Atp500
Zyxel Zywall Atp700 Firmware>=4.35<=5.01
Zyxel Zywall Atp700
Zyxel Zywall Atp800 Firmware>=4.35<=5.01
Zyxel Zywall Atp800
Zyxel Zywall Vpn50 Firmware>=4.35<=5.01
Zyxel Zywall Vpn50
Zyxel Zywall Vpn100 Firmware>=4.35<=5.01
Zyxel Zywall Vpn100
Zyxel Zywall Vpn300 Firmware>=4.35<=5.01
Zyxel Zywall Vpn300
Zyxel Usg20-vpn Firmware>=4.35<=5.01
Zyxel Usg20-vpn
Zyxel Usg20w-vpn Firmware>=4.35<=5.01
Zyxel Usg20w-vpn
Zyxel Usg2200-vpn Firmware>=4.35<=5.01
Zyxel Usg2200-vpn
Zyxel Zywall 110 Firmware>=4.35<=5.01
Zyxel Zywall 110
Zyxel Zywall 310 Firmware>=4.35<=5.01
Zyxel Zywall 310
Zyxel Zywall 1100 Firmware>=4.35<=5.01
Zyxel Zywall 1100

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