CVE-2021-41383: Command Injection

Published Sep 17, 2021

Updated

setup.cgi on NETGEAR R6020 1.0.0.48 devices allows an admin to execute arbitrary shell commands via shell metacharacters in the ntpserver field.

Affected Software

4 affected components

All of the following

Netgear R6020 Firmware=1.0.0.48

Netgear R6020

Netgear R6020 Firmware=1.0.0.48

Netgear R6020

Event History

Sep 17, 2021

CVE Published

via MITRE·07:53 PM

Data Sourced

via MITRE·07:53 PM

Description

Data Sourced

via NVD·08:15 PM

DescriptionSeverityWeaknessAffected Software

Oct 23, 58461

Event

11:22 AM

Frequently Asked Questions

What is CVE-2021-41383?

CVE-2021-41383 is a vulnerability found in NETGEAR R6020 1.0.0.48 devices that allows an admin to execute arbitrary shell commands via shell metacharacters in the ntp_server field.

How severe is CVE-2021-41383?

CVE-2021-41383 has a severity level of 7.2 (critical).

How can an admin execute arbitrary shell commands in CVE-2021-41383?

An admin can execute arbitrary shell commands in CVE-2021-41383 by using shell metacharacters in the ntp_server field.

Which devices are affected by CVE-2021-41383?

NETGEAR R6020 1.0.0.48 devices are affected by CVE-2021-41383.

Is NETGEAR R6020 vulnerable to CVE-2021-41383?

Yes, NETGEAR R6020 devices with firmware version 1.0.0.48 are vulnerable to CVE-2021-41383.

How can I fix CVE-2021-41383?

To fix CVE-2021-41383, update the firmware of your NETGEAR R6020 device to a version that addresses the vulnerability.