CVE-2021-45516: Medium severity netgear r6400 firmware vulnerability

Published Dec 26, 2021
·
Updated

Certain NETGEAR devices are affected by denial of service. This affects R6400 before 1.0.1.70, R7000 before 1.0.11.126, R6900P before 1.3.3.140, R7000P before 1.3.3.140, R8000 before 1.0.4.74, RBK852 before 3.2.10.11, RBR850 before 3.2.10.11, and RBS850 before 3.2.10.11.

Affected Software

32 affected components
Netgear R6400 Firmware<1.0.1.70
Netgear R6400
Netgear R7000 Firmware<1.0.11.126
Netgear R7000
Netgear R6900p Firmware<1.3.3.140
Netgear R6900P
Netgear R7000p Firmware<1.3.3.140
Netgear R7000P
Netgear R8000 Firmware<1.0.4.74
Netgear R8000
Netgear Rbk852 Firmware<3.2.10.11
Netgear RBK852
Netgear Rbr850 Firmware<3.2.10.11
Netgear RBR850
Netgear Rbs850 Firmware<3.2.10.11
Netgear RBS850
All of the following
Netgear R6400 Firmware<1.0.1.70
Netgear R6400
All of the following
Netgear R7000 Firmware<1.0.11.126
Netgear R7000
All of the following
Netgear R6900p Firmware<1.3.3.140
Netgear R6900P
All of the following
Netgear R7000p Firmware<1.3.3.140
Netgear R7000P
All of the following
Netgear R8000 Firmware<1.0.4.74
Netgear R8000
All of the following
Netgear Rbk852 Firmware<3.2.10.11
Netgear RBK852
All of the following
Netgear Rbr850 Firmware<3.2.10.11
Netgear RBR850
All of the following
Netgear Rbs850 Firmware<3.2.10.11
Netgear RBS850

Event History

Dec 26, 2021
CVE Published
via MITRE·01:00 AM
Data Sourced
via MITRE·01:00 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 severity of CVE-2021-45516?

The severity of CVE-2021-45516 is medium, with a severity value of 4.5.

2

Which NETGEAR devices are affected by CVE-2021-45516?

NETGEAR devices including R6400, R7000, R6900P, R7000P, R8000, RBK852, RBR850, and RBS850 are affected by CVE-2021-45516.

3

What is the vulnerability description for CVE-2021-45516?

CVE-2021-45516 is a denial of service vulnerability that affects certain NETGEAR devices.

4

How do I fix CVE-2021-45516?

To fix CVE-2021-45516, it is recommended to update the firmware of the affected NETGEAR devices to the latest version available.

5

Where can I find more information about CVE-2021-45516?

Additional information about CVE-2021-45516 can be found in the Netgear Security Advisory for Denial of Service on Some Routers and WiFi Systems - PSV-2019-0115.

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