high
7.5
Advisory Published
Updated

CVE-2021-45642

First published: Sun Dec 26 2021(Updated: )

Certain NETGEAR devices are affected by incorrect configuration of security settings. This affects D7800 before 1.0.1.64, EX6250 before 1.0.0.134, EX7700 before 1.0.0.222, LBR20 before 2.6.3.50, RBS50Y before 2.7.3.22, R8900 before 1.0.5.26, R9000 before 1.0.5.26, XR450 before 2.3.2.66, XR500 before 2.3.2.66, XR700 before 1.0.1.36, EX7320 before 1.0.0.134, RAX120 before 1.2.2.24, EX7300v2 before 1.0.0.134, RAX120v2 before 1.2.2.24, EX6410 before 1.0.0.134, RBR10 before 2.7.3.22, RBR20 before 2.7.3.22, RBR40 before 2.7.3.22, RBR50 before 2.7.3.22, EX6420 before 1.0.0.134, RBS10 before 2.7.3.22, RBS20 before 2.7.3.22, RBS40 before 2.7.3.22, RBS50 before 2.7.3.22, EX6400v2 before 1.0.0.134, RBK12 before 2.7.3.22, RBK20 before 2.7.3.22, RBK40 before 2.7.3.22, and RBK50 before 2.7.3.22.

Credit: cve@mitre.org cve@mitre.org

Affected SoftwareAffected VersionHow to fix
Netgear D7800 Firmware<1.0.1.64
Netgear D7800
Netgear Ex6250 Firmware<1.0.0.134
Netgear Ex6250
Netgear Ex7700 Firmware<1.0.0.222
NETGEAR EX7700
Netgear Lbr20 Firmware<2.6.3.50
Netgear Lbr20
Netgear Rbs50y Firmware<2.7.3.22
Netgear Rbs50y
Netgear Rbs50 Firmware<2.7.3.22
Netgear Rbs50y Firmware=2.7.3.22
Netgear Rbs20 Firmware<2.7.3.22
Netgear Rbs20
Netgear Rbs10 Firmware<2.7.3.22
Netgear Rbs10
Netgear Rbs40 Firmware<2.7.3.22
Netgear Rbs40
Netgear R8900 Firmware<1.0.5.26
NETGEAR R8900
Netgear R9000 Firmware<1.0.5.26
NETGEAR R9000
NETGEAR R7800<2.3.2.66
NETGEAR R7800
Netgear Xr500 Firmware<2.3.2.66
NETGEAR XR500
Netgear Xr700 Firmware<1.0.1.36
Netgear Xr700
Netgear Ex7320 Firmware<1.0.0.134
Netgear Ex7320
Netgear Rax120 Firmware<1.2.2.24
Netgear Rax120
Netgear Ex7300v2 Firmware<1.0.0.134
Netgear Ex7300v2
Netgear Rax120v2 Firmware<1.2.2.24
Netgear Rax120v2
Netgear Ex6410 Firmware<1.0.0.134
Netgear Ex6410
Netgear Ex6420 Firmware<1.0.0.134
Netgear Ex6420
Netgear Ex6400v2 Firmware<1.0.0.134
Netgear Ex6400v2
Netgear Rbr10 Firmware<2.7.3.22
Netgear Rbr10
Netgear Rbr20 Firmware<2.7.3.22
Netgear Rbr20
Netgear Rbr40 Firmware<2.7.3.22
Netgear Rbr40
Netgear Rbr50 Firmware<2.7.3.22
Netgear Rbr50
Netgear Rbk12 Firmware<2.7.3.22
Netgear Rbk12
Netgear Rbk20 Firmware<2.7.3.22
Netgear Rbk20
Netgear Rbk40 Firmware<2.7.3.22
Netgear Rbk40
Netgear Rbk50 Firmware<2.7.3.22
Netgear Rbk50
All of
Netgear D7800 Firmware<1.0.1.64
Netgear D7800
All of
Netgear Ex6250 Firmware<1.0.0.134
Netgear Ex6250
All of
Netgear Ex7700 Firmware<1.0.0.222
NETGEAR EX7700
All of
Netgear Lbr20 Firmware<2.6.3.50
Netgear Lbr20
All of
Netgear Rbs50y Firmware<2.7.3.22
Netgear Rbs50y
All of
Netgear Rbs50 Firmware<2.7.3.22
Netgear Rbs50y Firmware=2.7.3.22
All of
Netgear Rbs20 Firmware<2.7.3.22
Netgear Rbs20
All of
Netgear Rbs10 Firmware<2.7.3.22
Netgear Rbs10
All of
Netgear Rbs40 Firmware<2.7.3.22
Netgear Rbs40
All of
Netgear R8900 Firmware<1.0.5.26
NETGEAR R8900
All of
Netgear R9000 Firmware<1.0.5.26
NETGEAR R9000
All of
Netgear Xr450 Firmware<2.3.2.66
Netgear Xr450
All of
Netgear Xr500 Firmware<2.3.2.66
NETGEAR XR500
All of
Netgear Xr700 Firmware<1.0.1.36
Netgear Xr700
All of
Netgear Ex7320 Firmware<1.0.0.134
Netgear Ex7320
All of
Netgear Rax120 Firmware<1.2.2.24
Netgear Rax120
All of
Netgear Ex7300v2 Firmware<1.0.0.134
Netgear Ex7300v2
All of
Netgear Rax120v2 Firmware<1.2.2.24
Netgear Rax120v2
All of
Netgear Ex6410 Firmware<1.0.0.134
Netgear Ex6410
All of
Netgear Ex6420 Firmware<1.0.0.134
Netgear Ex6420
All of
Netgear Ex6400v2 Firmware<1.0.0.134
Netgear Ex6400v2
All of
Netgear Rbr10 Firmware<2.7.3.22
Netgear Rbr10
All of
Netgear Rbr20 Firmware<2.7.3.22
Netgear Rbr20
All of
Netgear Rbr40 Firmware<2.7.3.22
Netgear Rbr40
All of
Netgear Rbr50 Firmware<2.7.3.22
Netgear Rbr50
All of
Netgear Rbk12 Firmware<2.7.3.22
Netgear Rbk12
All of
Netgear Rbk20 Firmware<2.7.3.22
Netgear Rbk20
All of
Netgear Rbk40 Firmware<2.7.3.22
Netgear Rbk40
All of
Netgear Rbk50 Firmware<2.7.3.22
Netgear Rbk50

Remedy

https://kb.netgear.com/000064491/Security-Advisory-for-Security-Misconfiguration-on-Some-Routers-Extenders-and-WiFi-Systems-PSV-2020-0427

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Reference Links

Frequently Asked Questions

  • Which NETGEAR devices are affected by CVE-2021-45642?

    D7800 before 1.0.1.64, EX6250 before 1.0.0.134, EX7700 before 1.0.0.222, LBR20 before 2.6.3.50, RBS50Y before 2.7.3.22, R8900 before 1.0.5.26, R9000 before 1.0.5.26, XR450 before 2.3.2.66, XR500 before 2.3.2.66, and more. Please refer to the vendor's security advisory for the complete list.

  • What is the severity level of CVE-2021-45642?

    The severity level of CVE-2021-45642 is high with a CVSS score of 7.2.

  • How can I fix CVE-2021-45642?

    To fix CVE-2021-45642, you should update your NETGEAR device firmware to the latest version provided by the vendor. Please refer to the vendor's security advisory for specific instructions.

  • Where can I find more information about CVE-2021-45642?

    You can find more information about CVE-2021-45642 in the vendor's security advisory available at the provided reference link.

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