VULNERABILITY INTELLIGENCE

CVE-2021-35031

CVSS score6.8 MEDIUM
EPSS probability0.48%
CISA KEVNot currently listed
Published2021-12-28
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:A/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

Description

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.

Weakness classification

  • security@zyxel.com.tw: CWE-78
  • nvd@nist.gov: CWE-78

Primary references