CVE-2021-4039

PoC —

CVSS 3.1

9.8 critical

EPSS

71%p99

Published

Mar 1, 2022 (Mar 1, 2022)

Modified

Jun 17, 2026

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.

Vendors: zyxel
Products: nwa1100-nh firmware
Weakness: CWE-78
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

NVD CVE.org GitHub PoCs EPSS (71.0%)

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