What is CVE-2021-45633?

CVE-2021-45633 is a vulnerability that allows an unauthenticated attacker to perform command injection on certain NETGEAR devices.

What is the severity of CVE-2021-45633?

CVE-2021-45633 has a severity score of 8.8 (Critical).

How can I fix CVE-2021-45633?

To fix CVE-2021-45633, update your NETGEAR device firmware to version CBR750 4.6.3.6, RBR750 3.2.17.12, RBR850 3.2.17.12, RBS750 3.2.17.12, RBS850 3.2.17.12, RBK752 3.2.17.12, or RBK852 3.2.17.12.

Where can I find more information about CVE-2021-45633?

You can find more information about CVE-2021-45633 on the NETGEAR security advisory page: https://kb.netgear.com/000064511/Security-Advisory-for-Pre-Authentication-Command-Injection-on-Some-WiFi-Systems-PSV-2020-0514

Vulnerability/
CVE-2021-45633

critical

9.6

CWE

26/12/2021

5/1/2022

CVE-2021-45633: Command Injection

Q: How does CVE-2021-45633 affect NETGEAR devices?

CVE-2021-45633 affects NETGEAR devices CBR750 before 4.6.3.6, RBR750 before 3.2.17.12, RBR850 before 3.2.17.12, RBS750 before 3.2.17.12, RBS850 before 3.2.17.12, RBK752 before 3.2.17.12, and RBK852 before 3.2.17.12.

First published: Sun Dec 26 2021(Updated: )

Certain NETGEAR devices are affected by command injection by an unauthenticated attacker. This affects CBR750 before 4.6.3.6, RBR750 before 3.2.17.12, RBR850 before 3.2.17.12, RBS750 before 3.2.17.12, RBS850 before 3.2.17.12, RBK752 before 3.2.17.12, and RBK852 before 3.2.17.12.

Credit: cve@mitre.org

Affected Software	Affected Version	How to fix
Netgear Cbr750 Firmware	<4.6.3.6
Netgear Cbr750
Netgear Rbk752 Firmware	<3.2.17.12
Netgear Rbk752
Netgear Rbr750 Firmware	<3.2.17.12
Netgear Rbr750
Netgear Rbs750 Firmware	<3.2.17.12
Netgear Rbs750
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/000064511/Security-Advisory-for-Pre-Authentication-Command-Injection-on-Some-WiFi-Systems-PSV-2020-0514

Frequently Asked Questions

What is CVE-2021-45633?
CVE-2021-45633 is a vulnerability that allows an unauthenticated attacker to perform command injection on certain NETGEAR devices.
How does CVE-2021-45633 affect NETGEAR devices?
CVE-2021-45633 affects NETGEAR devices CBR750 before 4.6.3.6, RBR750 before 3.2.17.12, RBR850 before 3.2.17.12, RBS750 before 3.2.17.12, RBS850 before 3.2.17.12, RBK752 before 3.2.17.12, and RBK852 before 3.2.17.12.
What is the severity of CVE-2021-45633?
CVE-2021-45633 has a severity score of 8.8 (Critical).
How can I fix CVE-2021-45633?
To fix CVE-2021-45633, update your NETGEAR device firmware to version CBR750 4.6.3.6, RBR750 3.2.17.12, RBR850 3.2.17.12, RBS750 3.2.17.12, RBS850 3.2.17.12, RBK752 3.2.17.12, or RBK852 3.2.17.12.
Where can I find more information about CVE-2021-45633?
You can find more information about CVE-2021-45633 on the NETGEAR security advisory page: https://kb.netgear.com/000064511/Security-Advisory-for-Pre-Authentication-Command-Injection-on-Some-WiFi-Systems-PSV-2020-0514

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