CVE-2023-34139

Published: Jul 17, 2023Modified: Nov 21, 2024

8.8

Vector

CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Exploitability: 2.8 / Impact: 5.9

Source: NVD

Description

A command injection vulnerability in the Free Time WiFi hotspot feature of the Zyxel USG FLEX series firmware versions 4.50 through 5.36 Patch 2 and VPN series firmware versions 4.20 through 5.36 Patch 2, could allow an unauthenticated, LAN-based attacker to execute some OS commands on an affected device.

Affected (15)

Products: Zyxel: Usg 2200 Vpn Firmware, Usg Flex 100 Firmware, Usg Flex 100w Firmware, Usg Flex 200 Firmware, Usg Flex 50 Firmware, Usg Flex 500 Firmware, Usg Flex 50w Firmware, Usg Flex 700 Firmware, Zywall Vpn100 Firmware, Zywall Vpn2s Firmware, Zywall Vpn300 Firmware, Zywall Vpn50 Firmware, Zywall Vpn 100 Firmware, Zywall Vpn 300 Firmware, Zywall Vpn 50 Firmware

Zyxel

15 products

Usg 2200 Vpn Firmware

Usg Flex 100 Firmware

Usg Flex 100w Firmware

Usg Flex 200 Firmware

Usg Flex 50 Firmware

Usg Flex 500 Firmware

Usg Flex 50w Firmware

Usg Flex 700 Firmware

Zywall Vpn100 Firmware

Zywall Vpn2s Firmware

Zywall Vpn300 Firmware

Zywall Vpn50 Firmware

Zywall Vpn 100 Firmware

Zywall Vpn 300 Firmware

Zywall Vpn 50 Firmware

Configuration A

1 vulnerable · 1 platform

Vulnerable Software	Affected Versions
Zyxel Usg 2200 Vpn Firmware	From 4.20 to 5.37

Running on/with	Platform Versions
Zyxel Usg 2200 Vpn	All versions

Configuration B

1 vulnerable · 1 platform

Vulnerable Software	Affected Versions
Zyxel Usg Flex 100 Firmware	From 4.50 to 5.37

Running on/with	Platform Versions
Zyxel Usg Flex 100	All versions

Configuration C

1 vulnerable · 1 platform

Vulnerable Software	Affected Versions
Zyxel Usg Flex 100w Firmware	From 4.50 to 5.37

Running on/with	Platform Versions
Zyxel Usg Flex 100w	All versions

Configuration D

1 vulnerable · 1 platform

Vulnerable Software	Affected Versions
Zyxel Usg Flex 200 Firmware	From 4.50 to 5.37

Running on/with	Platform Versions
Zyxel Usg Flex 200	All versions

Configuration E

1 vulnerable · 1 platform

Vulnerable Software	Affected Versions
Zyxel Usg Flex 50 Firmware	From 4.50 to 5.37

Running on/with	Platform Versions
Zyxel Usg Flex 50	All versions

Configuration F

1 vulnerable · 1 platform

Vulnerable Software	Affected Versions
Zyxel Usg Flex 500 Firmware	From 4.50 to 5.37

Running on/with	Platform Versions
Zyxel Usg Flex 500	All versions

Configuration G

1 vulnerable · 1 platform

Vulnerable Software	Affected Versions
Zyxel Usg Flex 50w Firmware	From 4.50 to 5.37

Running on/with	Platform Versions
Zyxel Usg Flex 50w	All versions

Configuration H

1 vulnerable · 1 platform

Vulnerable Software	Affected Versions
Zyxel Usg Flex 700 Firmware	From 4.50 to 5.37

Running on/with	Platform Versions
Zyxel Usg Flex 700	All versions

Configuration I

1 vulnerable · 1 platform

Vulnerable Software	Affected Versions
Zyxel Zywall Vpn100 Firmware	From 4.20 to 5.37

Running on/with	Platform Versions
Zyxel Zywall Vpn100	All versions

Configuration J

1 vulnerable · 1 platform

Vulnerable Software	Affected Versions
Zyxel Zywall Vpn2s Firmware	From 4.20 to 5.37

Running on/with	Platform Versions
Zyxel Zywall Vpn2s	All versions

Configuration K

1 vulnerable · 1 platform

Vulnerable Software	Affected Versions
Zyxel Zywall Vpn300 Firmware	From 4.20 to 5.37

Running on/with	Platform Versions
Zyxel Zywall Vpn300	All versions

Configuration L

1 vulnerable · 1 platform

Vulnerable Software	Affected Versions
Zyxel Zywall Vpn50 Firmware	From 4.20 to 5.37

Running on/with	Platform Versions
Zyxel Zywall Vpn50	All versions

Configuration M

1 vulnerable · 1 platform

Vulnerable Software	Affected Versions
Zyxel Zywall Vpn 100 Firmware	From 4.20 to 5.37

Running on/with	Platform Versions
Zyxel Zywall Vpn 100	All versions

Configuration N

1 vulnerable · 1 platform

Vulnerable Software	Affected Versions
Zyxel Zywall Vpn 300 Firmware	From 4.20 to 5.37

Running on/with	Platform Versions
Zyxel Zywall Vpn 300	All versions

Configuration O

1 vulnerable · 1 platform

Vulnerable Software	Affected Versions
Zyxel Zywall Vpn 50 Firmware	From 4.20 to 5.37

Running on/with	Platform Versions
Zyxel Zywall Vpn 50	All versions

Related CWEs

CWE-78

Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')

The product constructs all or part of an OS command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended OS command when it is sent to a downstream component.

References (2)

https://www.zyxel.com/global/en/support/security-advisories/zyxel-security-advisory-for-multiple-vulnerabilities-in-firewalls-and-wlan-controllers

Source: security@zyxel.com.tw

Vendor Advisory

https://www.zyxel.com/global/en/support/security-advisories/zyxel-security-advisory-for-multiple-vulnerabilities-in-firewalls-and-wlan-controllers

Source: af854a3a-2127-422b-91ae-364da2661108

Vendor Advisory

Timeline

No history available yet.