CVE-2021-4039

critical

Description

A command injection vulnerability in the web interface of the Zyxel NWA-1100-NH firmware could allow an attacker to execute arbitrary OS commands on the device.

References

https://www.zyxel.com/support/OS-command-injection-vulnerability-of-NWA1100-NH-access-point.shtml

https://euvd.enisa.europa.eu/vulnerability/EUVD-2021-33939

http://packetstormsecurity.com/files/166752/Zyxel-NWA-1100-NH-Command-Injection.html

Details

Source: Mitre, NVD

Published: 2022-03-01

Updated: 2026-06-17

Risk Information

CVSS v2

Base Score: 10

Vector: CVSS2#AV:N/AC:L/Au:N/C:C/I:C/A:C

Severity: Critical

CVSS v3

Base Score: 9.8

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