VULNERABILITY INTELLIGENCE

CVE-2021-35029

CVSS score9.8 CRITICAL
EPSS probability2.25%
CISA KEVNot currently listed
Published2021-07-02
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Description

An authentication bypasss vulnerability in the web-based management interface of Zyxel USG/Zywall series firmware versions 4.35 through 4.64 and USG Flex, ATP, and VPN series firmware versions 4.35 through 5.01, which could allow a remote attacker to execute arbitrary commands on an affected device.

Weakness classification

  • security@zyxel.com.tw: CWE-287
  • nvd@nist.gov: CWE-287

Primary references