high
8.4
CWE
77
Advisory Published
Updated

CVE-2021-45540: Command Injection

First published: Sun Dec 26 2021(Updated: )

Certain NETGEAR devices are affected by command injection by an authenticated user. This affects R7000 before 1.0.11.126, R7900 before 1.0.4.46, R7900P before 1.4.2.84, R7960P before 1.4.2.84, R8000 before 1.0.4.74, R8000P before 1.4.2.84, RAX200 before 1.0.3.106, MR60 before 1.0.6.110, RAX45 before 1.0.2.66, RAX80 before 1.0.3.106, MS60 before 1.0.6.110, RAX50 before 1.0.2.66, and RAX75 before 1.0.3.106.

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

Affected SoftwareAffected VersionHow to fix
Netgear R7900p Firmware<1.4.2.84
Netgear R7900p
Netgear R7960p Firmware<1.4.2.84
Netgear R7960p
Netgear R8000 Firmware<1.0.4.74
NETGEAR R8000
Netgear R8000p Firmware<1.4.2.84
Netgear R8000p
Netgear Mr60 Firmware<1.0.6.110
Netgear Mr60
Netgear Rax45 Firmware<1.0.2.66
Netgear Rax45
Netgear Rax80 Firmware<1.0.3.106
Netgear Rax80
Netgear Rax50 Firmware<1.0.2.66
Netgear Rax50
Netgear Rax75 Firmware<1.0.3.106
Netgear Rax75
Netgear Ms60 Firmware<1.0.6.110
Netgear Ms60
Netgear R7000 Firmware<1.0.11.126
NETGEAR R7000
Netgear R7900 Firmware<1.0.4.46
Netgear R7900
Netgear Rax200 Firmware<1.0.3.106
NETGEAR RAX200
All of
Netgear R7900p Firmware<1.4.2.84
Netgear R7900p
All of
Netgear R7960p Firmware<1.4.2.84
Netgear R7960p
All of
Netgear R8000 Firmware<1.0.4.74
NETGEAR R8000
All of
Netgear R8000p Firmware<1.4.2.84
Netgear R8000p
All of
Netgear Mr60 Firmware<1.0.6.110
Netgear Mr60
All of
Netgear Rax45 Firmware<1.0.2.66
Netgear Rax45
All of
Netgear Rax80 Firmware<1.0.3.106
Netgear Rax80
All of
Netgear Rax50 Firmware<1.0.2.66
Netgear Rax50
All of
Netgear Rax75 Firmware<1.0.3.106
Netgear Rax75
All of
Netgear Ms60 Firmware<1.0.6.110
Netgear Ms60
All of
Netgear R7000 Firmware<1.0.11.126
NETGEAR R7000
All of
Netgear R7900 Firmware<1.0.4.46
Netgear R7900
All of
Netgear Rax200 Firmware<1.0.3.106
NETGEAR RAX200

Remedy

https://kb.netgear.com/000064477/Security-Advisory-for-Post-Authentication-Command-Injection-on-Some-Routers-and-WiFi-Systems-PSV-2020-0196

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Reference Links

Frequently Asked Questions

  • Which NETGEAR devices are affected by command injection?

    R7000 before 1.0.11.126, R7900 before 1.0.4.46, R7900P before 1.4.2.84, R7960P before 1.4.2.84, R8000 before 1.0.4.74, R8000P before 1.4.2.84, RAX200 before 1.0.3.106, MR60 before 1.0.6.110, RAX45 before 1.0.2.66, RAX50 before 1.0.2.66, RAX75 before 1.0.3.106, and MS60 before 1.0.6.110.

  • What is the severity level of CVE-2021-45540?

    The severity level of CVE-2021-45540 is high, with a score of 8.4.

  • How can an authenticated user exploit CVE-2021-45540?

    An authenticated user can exploit CVE-2021-45540 by injecting commands into the affected NETGEAR devices.

  • How can I fix the command injection vulnerability in my NETGEAR device?

    To fix the command injection vulnerability, you should update the firmware of your NETGEAR device to the latest secure version provided by NETGEAR.

  • Where can I find more information about CVE-2021-45540?

    You can find more information about CVE-2021-45540 in the security advisory issued by NETGEAR: [link](https://kb.netgear.com/000064477/Security-Advisory-for-Post-Authentication-Command-Injection-on-Some-Routers-and-WiFi-Systems-PSV-2020-0196).

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