CVE-2021-45601: Command Injection

Published Dec 26, 2021
·
Updated

Certain NETGEAR devices are affected by command injection by an authenticated user. This affects CBR40 before 2.5.0.24, CBR750 before 4.6.3.6, RBK852 before 3.2.17.12, RBR850 before 3.2.17.12, and RBS850 before 3.2.17.12.

Affected Software

20 affected components
Netgear Cbr40 Firmware<2.5.0.24
Netgear CBR40
Netgear Cbr750 Firmware<4.6.3.6
Netgear CBR750
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
All of the following
Netgear Cbr40 Firmware<2.5.0.24
Netgear CBR40
All of the following
Netgear Cbr750 Firmware<4.6.3.6
Netgear CBR750
All of the following
Netgear Rbk852 Firmware<3.2.17.12
Netgear RBK852
All of the following
Netgear Rbr850 Firmware<3.2.17.12
Netgear RBR850
All of the following
Netgear Rbs850 Firmware<3.2.17.12
Netgear RBS850

Event History

Dec 26, 2021
CVE Published
via MITRE·12:38 AM
Data Sourced
via MITRE·12:38 AM
DescriptionSeverity
Data Sourced
via NVD·01:15 AM
RemedyDescriptionSeverityWeaknessAffected Software
Free Weekly Intel

Don't miss critical vulnerabilities

Join thousands of security professionals who receive our weekly digest of trending CVEs, zero-days, and exploited vulnerabilities.

No spam. Unsubscribe anytime.

Frequently Asked Questions

1

What is CVE-2021-45601?

CVE-2021-45601 is a vulnerability that allows an authenticated user to execute arbitrary commands on certain NETGEAR devices.

2

Which NETGEAR devices are affected by CVE-2021-45601?

CBR40 before version 2.5.0.24, CBR750 before version 4.6.3.6, RBK852 before version 3.2.17.12, RBR850 before version 3.2.17.12, and RBS850 before version 3.2.17.12 are affected by CVE-2021-45601.

3

What is the severity of CVE-2021-45601?

CVE-2021-45601 has a severity rating of 8.8 (high).

4

How can I fix the CVE-2021-45601 vulnerability?

To fix the CVE-2021-45601 vulnerability, update your NETGEAR device firmware to version 2.5.0.24 or higher for CBR40, 4.6.3.6 or higher for CBR750, and 3.2.17.12 or higher for RBK852, RBR850, and RBS850.

5

Where can I find more information about CVE-2021-45601?

You can find more information about CVE-2021-45601 on the NETGEAR security advisory page: https://kb.netgear.com/000064147/Security-Advisory-for-Post-Authentication-Command-Injection-on-Some-WiFi-Systems-PSV-2020-0563

Contact

SecAlerts Pty Ltd.
132 Wickham Terrace
Fortitude Valley,
QLD 4006, Australia
info@secalerts.co
By using SecAlerts services, you agree to our services end-user license agreement. This website is safeguarded by reCAPTCHA and governed by the Google Privacy Policy and Terms of Service. All names, logos, and brands of products are owned by their respective owners, and any usage of these names, logos, and brands for identification purposes only does not imply endorsement. If you possess any content that requires removal, please get in touch with us.
© 2026 SecAlerts Pty Ltd.
ABN: 70 645 966 203, ACN: 645 966 203