CVE-2023-34139 HIGH

CVE-2023-34139

Vendor Zyxel
Product USG FLEX series firmware
Weakness CWE-78
Published July 17, 2023
Last update October 29, 2024
View on NVD All CVEs

CVSS base score

8.8/10
Attack vector Adjacent
Attack complexity Low
Privileges required None
User interaction None
Confidentiality High
Integrity High

CVSS vector

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

What the vulnerability does

01Description

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.

Key dates

02Disclosure timeline

July 17, 2023 CVE published
October 29, 2024 Record updated