CVE-2023-34139

Published: Jul 17, 2023

Modified: Oct 29, 2024

PUBLISHED

CVSS v3.1

8.8

HIGH

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.

Vendor	Product	Versions
Zyxel	USG FLEX series firmware	affected `4.50 through 5.36 Patch 2`
Zyxel	VPN series firmware	affected `4.20 through 5.36 Patch 2`

Weaknesses (CWE)

CWE-78

CVSS v3.1 Details

CVSS v3.1 Vector

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

Attack Vector

Adjacent

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

References

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

vendor-advisory

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CVE-2023-34139

Description

Affected Products

Weaknesses (CWE)

CVSS v3.1 Details

References