medium
6.5
CWE
359
Advisory Published
Updated

CVE-2023-22918

First published: Mon Apr 24 2023(Updated: )

A post-authentication information exposure vulnerability in the CGI program 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, VPN series firmware versions 4.30 through 5.35, NWA110AX firmware version 6.50(ABTG.2) and earlier versions, WAC500 firmware version 6.50(ABVS.0) and earlier versions, and WAX510D firmware version 6.50(ABTF.2) and earlier versions, which could allow a remote authenticated attacker to retrieve encrypted information of the administrator on an affected device.

Credit: security@zyxel.com.tw

Affected SoftwareAffected VersionHow to fix
Zyxel Atp200 Firmware>=4.32<5.36
Zyxel ATP200
Zyxel Atp100 Firmware>=4.32<5.36
Zyxel Atp100
Zyxel Atp700 Firmware>=4.32<5.36
Zyxel Atp700
Zyxel Atp500 Firmware>=4.32<5.36
Zyxel Atp500
Zyxel Atp100w Firmware>=4.32<5.36
Zyxel Atp100w
Zyxel Atp800 Firmware>=4.32<5.36
Zyxel Atp800
Zyxel Usg Flex 100 Firmware>=4.50<5.36
Zyxel Usg Flex 100
Zyxel Usg Flex 50 Firmware>=4.50<5.36
Zyxel Usg Flex 50
Zyxel Usg Flex 200 Firmware>=4.50<5.36
Zyxel Usg Flex 200
Zyxel Usg Flex 500 Firmware>=4.50<5.36
Zyxel Usg Flex 500
Zyxel Usg Flex 700 Firmware>=4.50<5.36
Zyxel Usg Flex 700
Zyxel Usg Flex 100w Firmware>=4.50<5.36
Zyxel Usg Flex 100w
Zyxel Usg 20w-vpn Firmware>=4.16<5.36
Zyxel Usg 20w-vpn
Zyxel Usg Flex 50w Firmware>=4.16<5.36
Zyxel Usg Flex 50w
Zyxel Usg20-vpn Firmware>=4.30<5.36
Zyxel Usg20-vpn
Zyxel Vpn100 Firmware>=4.30<5.36
Zyxel Vpn100
Zyxel Vpn1000 Firmware>=4.30<5.36
Zyxel Vpn1000
Zyxel Vpn300 Firmware>=4.30<5.36
Zyxel Vpn300
Zyxel Vpn50 Firmware>=4.30<5.36
Zyxel Vpn50
Zyxel Nap203 Firmware<=6.28\(abfa.0\)
Zyxel Nap203
Zyxel Nap303 Firmware<=6.28\(abex.0\)
Zyxel Nap303
Zyxel Nap353 Firmware<=6.28\(abey.0\)
Zyxel Nap353
Zyxel NWA110AX firmware<=6.50\(abtg.2\)
Zyxel NWA110AX
Zyxel Nwa1123-ac Hd Firmware<=6.25\(abin.9\)
Zyxel Nwa1123-ac Hd
Zyxel Nwa1123-ac-pro Firmware<=6.28\(abhd.0\)
Zyxel Nwa1123-ac-pro
Zyxel NWA1123ACv3 firmware<=6.50\(abvt.0\)
Zyxel NWA1123ACv3
Zyxel Nwa210ax Firmware<=6.50\(abtd.2\)
Zyxel Nwa210ax
Zyxel Nwa220ax-6e Firmware<=6.50\(acco.2\)
Zyxel Nwa220ax-6e
Zyxel Nwa50ax Firmware<=6.55\(acge.1\)
Zyxel Nwa50ax
Zyxel Nwa50ax-pro Firmware<=6.50\(acge.0\)
Zyxel Nwa50ax-pro
Zyxel Nwa5123-ac Hd Firmware<=6.25\(abim.9\)
Zyxel Nwa5123-ac Hd
Zyxel Nwa55axe Firmware<=6.29\(abzl.1\)
Zyxel Nwa55axe
Zyxel Nwa90ax Firmware<=6.29\(accv.1\)
Zyxel Nwa90ax
Zyxel Nwa90ax-pro Firmware<=6.50\(acgf.0\)
Zyxel Nwa90ax-pro
Zyxel Wac500 Firmware<=6.50\(abvs.0\)
Zyxel Wac500
Zyxel Wac500h Firmware<=6.50\(abwa.0\)
Zyxel Wac500h
Zyxel Wac5302d-sv2 Firmware<=6.25\(abvz.9\)
Zyxel Wac5302d-sv2
Zyxel Wac6103d-i Firmware<=6.28\(aaxh.0\)
Zyxel Wac6103d-i
Zyxel Wac6303d-s Firmware<=6.25\(abgl.9\)
Zyxel Wac6303d-s
Zyxel Wac6502d-e Firmware<=6.28\(aasd.0\)
Zyxel Wac6502d-e
Zyxel Wac6502d-s Firmware<=6.28\(aase.0\)
Zyxel Wac6502d-s
Zyxel Wac6503d-s Firmware<=6.28\(aasf.0\)
Zyxel Wac6503d-s
Zyxel Wac6552d-s Firmware<=6.28\(abio.0\)
Zyxel Wac6552d-s
Zyxel Wac6553d-e Firmware<=6.28\(aasg.0\)
Zyxel Wac6553d-e
Zyxel Wax510d Firmware<=6.50\(abtf.2\)
Zyxel Wax510d
Zyxel Wax610d Firmware<=6.50\(abte.2\)
Zyxel Wax610d
Zyxel Wax620d-6e Firmware<=6.50\(accn.2\)
Zyxel Wax620d-6e
Zyxel Wax630s Firmware<=6.50\(abzd.2\)
Zyxel Wax630s
Zyxel Wax640s-6e Firmware<=6.50\(accm.2\)
Zyxel Wax640s-6e
Zyxel Wax650s Firmware<=6.50\(abrm.2\)
Zyxel Wax650s
Zyxel Wax655e Firmware<=6.50\(acdo.2\)
Zyxel Wax655e

Remedy

https://www.zyxel.com/global/en/support/security-advisories/zyxel-security-advisory-for-multiple-vulnerabilities-of-firewalls-and-aps

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