CVE-2021-45508: Critical severity netgear cbr40 firmware vulnerability

Published Dec 26, 2021
·
Updated

Certain NETGEAR devices are affected by authentication bypass. This affects CBR40 before 2.5.0.24, 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, and RBR850 before 3.2.17.12.

Affected Software

28 affected components
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 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
Netgear Cbr40 Firmware<2.5.0.24
Netgear CBR40
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

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
RemedyDescriptionSeverityAffected Software
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Frequently Asked Questions

1

What is CVE-2021-45508?

CVE-2021-45508 is a vulnerability that affects certain NETGEAR devices, allowing for authentication bypass.

2

Which NETGEAR devices are affected by CVE-2021-45508?

The NETGEAR devices affected by CVE-2021-45508 are CBR40 before 2.5.0.24, 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, and RBR850 before 3.2.17.12.

3

What is the severity of CVE-2021-45508?

The severity of CVE-2021-45508 is rated as critical with a severity value of 9.8.

4

How does CVE-2021-45508 allow for authentication bypass?

CVE-2021-45508 allows for authentication bypass by exploiting a vulnerability in certain NETGEAR devices.

5

How can I fix CVE-2021-45508?

To fix CVE-2021-45508, it is recommended to update the firmware of the affected NETGEAR devices to the latest version provided by the manufacturer.

Contact

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