CVE-2021-38520: Command Injection

Published Aug 11, 2021
·
Updated

Certain NETGEAR devices are affected by command injection by an authenticated user. This affects R6400 before 1.0.1.52, R6400v2 before 1.0.4.84, R6700v3 before 1.0.4.84, R6700v2 before 1.2.0.62, R6900v2 before 1.2.0.62, and R7000P before 1.3.2.124.

Affected Software

24 affected components
Netgear R6400 Firmware<1.0.1.52
Netgear R6400
Netgear R6400 Firmware<1.0.4.84
Netgear R6400=v2
Netgear R6700 firmware<1.2.0.62
Netgear R6700=v2
Netgear R6900 Firmware<1.2.0.62
Netgear R6900=v2
Netgear R7000p Firmware<1.3.2.124
Netgear R7000P
Netgear R6700 firmware<1.0.4.84
Netgear R6700=v3
All of the following
Netgear R6400 Firmware<1.0.1.52
Netgear R6400
All of the following
Netgear R6400 Firmware<1.0.4.84
Netgear R6400=v2
All of the following
Netgear R6700 firmware<1.2.0.62
Netgear R6700=v2
All of the following
Netgear R6900 Firmware<1.2.0.62
Netgear R6900=v2
All of the following
Netgear R7000p Firmware<1.3.2.124
Netgear R7000P
All of the following
Netgear R6700 firmware<1.0.4.84
Netgear R6700=v3

Event History

Aug 11, 2021
CVE Published
via MITRE·12:02 AM
Data Sourced
via MITRE·12:02 AM
DescriptionSeverity
Data Sourced
via NVD·12:15 AM
DescriptionSeverityWeaknessAffected Software
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Frequently Asked Questions

1

Which NETGEAR devices are affected by command injection?

Certain NETGEAR devices are affected by command injection, including R6400 before 1.0.1.52, R6400v2 before 1.0.4.84, R6700v3 before 1.0.4.84, R6700v2 before 1.2.0.62, R6900v2 before 1.2.0.62, and R7000P before 1.3.2.124.

2

What is the severity of CVE-2021-38520?

The severity of CVE-2021-38520 is high with a CVSS score of 7.2.

3

How does the command injection vulnerability work?

The command injection vulnerability in certain NETGEAR devices allows an authenticated user to execute arbitrary commands on the device.

4

How can I fix CVE-2021-38520?

To fix CVE-2021-38520, update your NETGEAR device firmware to the specified versions: R6400 - 1.0.1.52, R6400v2 - 1.0.4.84, R6700v3 - 1.0.4.84, R6700v2 - 1.2.0.62, R6900v2 - 1.2.0.62, and R7000P - 1.3.2.124.

5

Where can I find more information about CVE-2021-38520?

You can find more information about CVE-2021-38520 at the following reference link: [https://kb.netgear.com/000063763/Security-Advisory-for-Post-Authentication-Command-Injection-on-Some-Routers-PSV-2018-0565](https://kb.netgear.com/000063763/Security-Advisory-for-Post-Authentication-Command-Injection-on-Some-Routers-PSV-2018-0565)

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