cvedb.io
CVE-2021-35033
HIGH · CVSS 7.8
EPSS exploitation probability: 0%
Published 2021-11-23T22:15:07.623 · Last modified 2026-06-17T03:57:00.923

Summary

A vulnerability in specific versions of Zyxel NBG6818, NBG7815, WSQ20, WSQ50, WSQ60, and WSR30 firmware with pre-configured password management could allow an attacker to obtain root access of the device, if the local attacker dismantles the device and uses a USB-to-UART cable to connect the device, or if the remote assistance feature had been enabled by an authenticated user.

Affected products

zyxel — nbg6818_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.