What is CVE-2021-45542?

CVE-2021-45542 is a vulnerability that affects certain NETGEAR devices, allowing an authenticated user to perform command injection.

Which NETGEAR devices are affected by CVE-2021-45542?

NETGEAR devices such as RAX200, RAX75, RAX80, RBK852, RBR850, and RBS850 are affected by CVE-2021-45542.

How does CVE-2021-45542 impact the affected devices?

CVE-2021-45542 allows an authenticated user to execute arbitrary commands on the affected NETGEAR devices.

What is the severity of CVE-2021-45542?

CVE-2021-45542 has a severity score of 6.8, which is classified as high.

Is there a fix available for CVE-2021-45542?

Yes, NETGEAR has released firmware updates to address the CVE-2021-45542 vulnerability. It is recommended to update the affected devices to the latest firmware version.

Vulnerability/
CVE-2021-45542

high

8.4

CWE

26/12/2021

4/1/2022

CVE-2021-45542: Command Injection

First published: Sun Dec 26 2021(Updated: )

Certain NETGEAR devices are affected by command injection by an authenticated user. This affects RAX200 before 1.0.4.120, RAX75 before 1.0.4.120, RAX80 before 1.0.4.120, RBK852 before 3.2.17.12, RBR850 before 3.2.17.12, and RBS850 before 3.2.17.12.

Credit: cve@mitre.org

Affected Software	Affected Version	How to fix
Netgear Rax200 Firmware	<1.0.4.120
NETGEAR RAX200
Netgear Rax75 Firmware	<1.0.4.120
Netgear Rax75
Netgear Rax80 Firmware	<1.0.4.120
Netgear Rax80
Netgear Rbk852 Firmware	<3.2.17.12
Netgear Rbk852
Netgear Rbr850 Firmware	<3.2.17.12
NETGEAR RBR850
Netgear Rbs850 Firmware	<3.2.17.12
Netgear Rbs850

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Reference Links

https://kb.netgear.com/000064143/Security-Advisory-for-Post-Authentication-Command-Injection-on-Some-Routers-and-WiFi-Systems-PSV-2020-0540

Frequently Asked Questions

What is CVE-2021-45542?
CVE-2021-45542 is a vulnerability that affects certain NETGEAR devices, allowing an authenticated user to perform command injection.
Which NETGEAR devices are affected by CVE-2021-45542?
NETGEAR devices such as RAX200, RAX75, RAX80, RBK852, RBR850, and RBS850 are affected by CVE-2021-45542.
How does CVE-2021-45542 impact the affected devices?
CVE-2021-45542 allows an authenticated user to execute arbitrary commands on the affected NETGEAR devices.
What is the severity of CVE-2021-45542?
CVE-2021-45542 has a severity score of 6.8, which is classified as high.
Is there a fix available for CVE-2021-45542?
Yes, NETGEAR has released firmware updates to address the CVE-2021-45542 vulnerability. It is recommended to update the affected devices to the latest firmware version.

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