CVE-2021-45506: Critical severity netgear cbr750 vulnerability

Published Dec 26, 2021
·
Updated

Certain NETGEAR devices are affected by authentication bypass. This affects CBR750 before 4.6.3.6, RBK752 before 3.2.17.12, RBR750 before 3.2.17.12, RBS750 before 3.2.17.12, RBK852 before 3.2.17.12, RBR850 before 3.2.17.12, and RBS850 before 3.2.17.12.

Affected Software

28 affected components
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
All of the following
Netgear Cbr750 Firmware<4.6.3.6
Netgear CBR750
All of the following
Netgear Rbk752 Firmware<3.2.17.12
Netgear RBK752
All of the following
Netgear RBR750 firmware<3.2.17.12
Netgear RBR750
All of the following
Netgear Rbs750 Firmware<3.2.17.12
Netgear RBS750
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·01:02 AM
Data Sourced
via MITRE·01:02 AM
DescriptionSeverity
Data Sourced
via NVD·01:15 AM
DescriptionSeverityAffected 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 the vulnerability ID for this issue?

The vulnerability ID for this issue is CVE-2021-45506.

2

Which NETGEAR devices are affected by this vulnerability?

This vulnerability affects CBR750 before 4.6.3.6, RBK752 before 3.2.17.12, RBR750 before 3.2.17.12, RBS750 before 3.2.17.12, RBK852 before 3.2.17.12, RBR850 before 3.2.17.12, and RBS850 before 3.2.17.12.

3

What is the severity level of CVE-2021-45506?

The severity level of CVE-2021-45506 is critical with a CVSS base score of 8.8.

4

How can I fix this vulnerability?

To fix this vulnerability, update your NETGEAR devices to the latest firmware versions: CBR750 4.6.3.6, RBK752 3.2.17.12, RBR750 3.2.17.12, RBS750 3.2.17.12, RBK852 3.2.17.12, RBR850 3.2.17.12, and RBS850 3.2.17.12.

5

Where can I find more information about this vulnerability?

You can find more information about this vulnerability in the NETGEAR Security Advisory for Authentication Bypass on Some WiFi Systems (PSV-2020-0483) at the following link: https://kb.netgear.com/000064130/Security-Advisory-for-Authentication-Bypass-on-Some-WiFi-Systems-PSV-2020-0483.

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