CVE-2023-33012

CVSS 3.1 Score 8.8 of 10 (high)

Details

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

Summary

CVE-2023-33012 is a command injection vulnerability affecting various Zyxel ATP, USG FLEX, USG FLEX 50(W), USG20(W)-VPN, and VPN firmware versions. When the cloud management mode is enabled, an unauthenticated attacker on the LAN can exploit this vulnerability by crafting a malicious GRE configuration, allowing them to execute certain OS commands. This issue could potentially result in significant security risks and system compromise. Users are strongly advised to update their firmware to the latest patched versions as soon as possible to mitigate this vulnerability.

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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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