CVE-2023-34139

CVSS 3.1 Score 8.8 of 10 (high)

Details

Published Jul 17, 2023
Updated: Jul 26, 2023
CWE ID 78

Summary

CVE-2023-34139 is a command injection vulnerability affecting the Free Time WiFi hotspot feature of Zyxel USG FLEX series firmware versions 4.50 to 5.36 Patch 2, and VPN series firmware versions 4.20 to 5.36 Patch 2. An unauthenticated attacker with access to the LAN network can exploit this weakness to execute certain operating system commands on the vulnerable device. This issue poses a significant risk, as it allows attackers to potentially gain control over the device and its connected systems. Users are advised to update their firmware as soon as possible to mitigate this threat.

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Affected Products

  • Zyxel Usg Flex 200 Firmware
  • Zyxel Usg Flex 500 Firmware
  • Zyxel Usg Flex 100 Firmware
  • Zyxel Usg Flex 100w Firmware
  • Zyxel Usg Flex 700 Firmware

Affected Vendors

  • ZyXEL

Advisories, Assessments, and Mitigations

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