CVE-2021-45509: 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, 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
All of the following
Netgear Cbr40 Firmware<2.5.0.24
Netgear CBR40
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
Netgear Cbr40 Firmware<2.5.0.24
Netgear CBR40
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
Remediation
Event History
Dec 26, 2021
CVE Published
via MITRE·01:01 AM
Data Sourced
via MITRE·01:01 AM
DescriptionSeverity
Data Sourced
via NVD·01:15 AM
RemedyDescriptionSeverityAffected Software
Frequently Asked Questions
1
What is the vulnerability ID for this issue?
The vulnerability ID for this issue is CVE-2021-45509.
2
Which devices are affected by this vulnerability?
Certain NETGEAR devices are affected by this vulnerability, including CBR40, RBK752, RBR750, RBS750, RBK852, RBR850, and RBS850.
3
What is the severity of CVE-2021-45509?
The severity of CVE-2021-45509 is critical with a CVSS score of 9.8.
4
How can I fix the authentication bypass vulnerability (CVE-2021-45509)?
To fix the authentication bypass vulnerability, update the firmware of the affected NETGEAR devices to the specified versions.
5
Where can I find more information about CVE-2021-45509?
You can find more information about CVE-2021-45509 in the Netgear security advisory.