What is CVE-2018-21154?

CVE-2018-21154 is a vulnerability that allows command injection by an authenticated user in certain NETGEAR devices.

What is the severity of CVE-2018-21154?

The severity of CVE-2018-21154 is medium with a CVSS score of 6.8.

How can I fix CVE-2018-21154?

To fix CVE-2018-21154, you should update the firmware of the affected NETGEAR devices to the latest version.

Where can I find more information about CVE-2018-21154?

You can find more information about CVE-2018-21154 on the NETGEAR security advisory page: [https://kb.netgear.com/000059479/Security-Advisory-for-Post-Authentication-Command-Injection-on-Some-Gateways-and-Routers-PSV-2017-3133](https://kb.netgear.com/000059479/Security-Advisory-for-Post-Authentication-Command-Injection-on-Some-Gateways-and-Routers-PSV-2017-3133)

Vulnerability/
CVE-2018-21154

medium

6.8

CWE

78 77

27/4/2020

5/5/2020

CVE-2018-21154: OS Command Injection

Q: Which devices are affected by CVE-2018-21154?

CVE-2018-21154 affects D7800 before 1.0.1.34, DM200 before 1.0.0.50, R6100 before 1.0.1.22, R7500 before 1.0.0.122, R7500v2 before 1.0.3.26, and R7800 before 1.0.2.42.

First published: Mon Apr 27 2020(Updated: )

Certain NETGEAR devices are affected by command injection by an authenticated user. This affects D7800 before 1.0.1.34, DM200 before 1.0.0.50, R6100 before 1.0.1.22, R7500 before 1.0.0.122, R7500v2 before 1.0.3.26, and R7800 before 1.0.2.42.

Credit: cve@mitre.org

Affected Software	Affected Version	How to fix
Netgear D7800 Firmware	<1.0.1.34
Netgear D7800
Netgear Dm200 Firmware	<1.0.0.50
Netgear Dm200
Netgear R6100 Firmware	<1.0.1.22
Netgear R6100
Netgear R7500 Firmware	<1.0.0.122
Netgear R7500
Netgear R7500 Firmware	<1.0.3.26
Netgear R7500	=v2
NETGEAR R7800 firmware	<1.0.2.42
NETGEAR R7800

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Reference Links

https://kb.netgear.com/000059479/Security-Advisory-for-Post-Authentication-Command-Injection-on-Some-Gateways-and-Routers-PSV-2017-3133

Frequently Asked Questions

What is CVE-2018-21154?
CVE-2018-21154 is a vulnerability that allows command injection by an authenticated user in certain NETGEAR devices.
Which devices are affected by CVE-2018-21154?
CVE-2018-21154 affects D7800 before 1.0.1.34, DM200 before 1.0.0.50, R6100 before 1.0.1.22, R7500 before 1.0.0.122, R7500v2 before 1.0.3.26, and R7800 before 1.0.2.42.
What is the severity of CVE-2018-21154?
The severity of CVE-2018-21154 is medium with a CVSS score of 6.8.
How can I fix CVE-2018-21154?
To fix CVE-2018-21154, you should update the firmware of the affected NETGEAR devices to the latest version.
Where can I find more information about CVE-2018-21154?
You can find more information about CVE-2018-21154 on the NETGEAR security advisory page: [https://kb.netgear.com/000059479/Security-Advisory-for-Post-Authentication-Command-Injection-on-Some-Gateways-and-Routers-PSV-2017-3133](https://kb.netgear.com/000059479/Security-Advisory-for-Post-Authentication-Command-Injection-on-Some-Gateways-and-Routers-PSV-2017-3133)

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