What is CVE-2021-45594?

CVE-2021-45594 is a vulnerability that affects certain NETGEAR devices, allowing an authenticated user to inject commands.

Which NETGEAR devices are affected by CVE-2021-45594?

NETGEAR devices such as RBS50Y, RBR20, RBR40, RBR50, RBS20, RBS40, RBS50, RBK20, RBK40, and RBK50 are affected by CVE-2021-45594.

What is the severity of CVE-2021-45594?

CVE-2021-45594 has a severity rating of 6.8 (high).

How can an authenticated user exploit CVE-2021-45594?

An authenticated user can exploit CVE-2021-45594 by injecting malicious commands into the affected NETGEAR devices.

Is there a fix for CVE-2021-45594?

Yes, a fix for CVE-2021-45594 is available. It is recommended to update the firmware of the affected NETGEAR devices to version 2.7.3.22 or later.

Vulnerability/
CVE-2021-45594

high

8.4

CWE

26/12/2021

4/8/2024

CVE-2021-45594: Command Injection

First published: Sun Dec 26 2021(Updated: )

Certain NETGEAR devices are affected by command injection by an authenticated user. This affects RBS50Y before 2.7.3.22, RBR20 before 2.7.3.22, RBR40 before 2.7.3.22, RBR50 before 2.7.3.22, RBS20 before 2.7.3.22, RBS40 before 2.7.3.22, RBS50 before 2.7.3.22, RBK20 before 2.7.3.22, RBK40 before 2.7.3.22, and RBK50 before 2.7.3.22.

Credit: cve@mitre.org

Affected Software	Affected Version	How to fix
Netgear Rbr20 Firmware	<2.7.3.22
Netgear Rbr20
Netgear Rbr40 Firmware	<2.7.3.22
Netgear Rbr40
Netgear Rbr50 Firmware	<2.7.3.22
Netgear Rbr50
Netgear Rbs20 Firmware	<2.7.3.22
Netgear Rbs20
Netgear Rbs40 Firmware	<2.7.3.22
Netgear Rbs40
Netgear Rbs50 Firmware	<2.7.3.22
Netgear Rbs50
Netgear Rbk20 Firmware	<2.7.3.22
Netgear Rbk20
Netgear Rbk40 Firmware	<2.7.3.22
Netgear Rbk40
Netgear Rbk50 Firmware	<2.7.3.22
Netgear Rbk50
Netgear Rbs50y Firmware	<2.7.3.22
Netgear Rbs50y

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Reference Links

https://kb.netgear.com/000064475/Security-Advisory-for-Post-Authentication-Command-Injection-on-Some-WiFi-Systems-PSV-2020-0183

Frequently Asked Questions

What is CVE-2021-45594?
CVE-2021-45594 is a vulnerability that affects certain NETGEAR devices, allowing an authenticated user to inject commands.
Which NETGEAR devices are affected by CVE-2021-45594?
NETGEAR devices such as RBS50Y, RBR20, RBR40, RBR50, RBS20, RBS40, RBS50, RBK20, RBK40, and RBK50 are affected by CVE-2021-45594.
What is the severity of CVE-2021-45594?
CVE-2021-45594 has a severity rating of 6.8 (high).
How can an authenticated user exploit CVE-2021-45594?
An authenticated user can exploit CVE-2021-45594 by injecting malicious commands into the affected NETGEAR devices.
Is there a fix for CVE-2021-45594?
Yes, a fix for CVE-2021-45594 is available. It is recommended to update the firmware of the affected NETGEAR devices to version 2.7.3.22 or later.

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