Arbitrary OS Command Execution Vulnerability in Zyxel GS1900, XGS1210, and XGS1250 Series Firmware

CVE-2021-35031 · HIGH Severity

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

A vulnerability in the TFTP client of Zyxel GS1900 series firmware, XGS1210 series firmware, and XGS1250 series firmware, which could allow an authenticated LAN user to execute arbitrary OS commands via the GUI of the vulnerable device.

Learn more about our User Device Pen Test.