cvedb.io
CVE-2021-35029
CRITICAL · CVSS 9.8
EPSS exploitation probability: 0%
Published 2021-07-02T11:15:08.930 · Last modified 2026-06-17T03:56:58.473

Summary

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.

Affected products

zyxel — usg1900_firmware

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References

This product uses data from the NVD API but is not endorsed or certified by the NVD. Informational only; not professional security advice.