high
8.4
CWE
77
Advisory Published
Updated

CVE-2021-45539: Command Injection

First published: Sun Dec 26 2021(Updated: )

Certain NETGEAR devices are affected by command injection by an authenticated user. This affects R7900P before 1.4.2.84, R7960P before 1.4.2.84, R8000 before 1.0.4.74, R8000P before 1.4.2.84, MR60 before 1.0.6.110, RAX20 before 1.0.2.82, RAX45 before 1.0.2.28, RAX80 before 1.0.3.106, MS60 before 1.0.6.110, RAX15 before 1.0.2.82, RAX50 before 1.0.2.28, 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 Rax20 Firmware<1.0.2.82
Netgear Rax20
Netgear Rax45 Firmware<1.0.2.28
Netgear Rax45
Netgear Rax80 Firmware<1.0.3.106
Netgear Rax80
Netgear Rax15 Firmware<1.0.2.82
Netgear Rax15
Netgear Rax50 Firmware<1.0.2.28
Netgear Rax50
Netgear Rax75 Firmware<1.0.3.106
Netgear Rax75
Netgear Ms60 Firmware<1.0.6.110
Netgear Ms60
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 Rax20 Firmware<1.0.2.82
Netgear Rax20
All of
Netgear Rax45 Firmware<1.0.2.28
Netgear Rax45
All of
Netgear Rax80 Firmware<1.0.3.106
Netgear Rax80
All of
Netgear Rax15 Firmware<1.0.2.82
Netgear Rax15
All of
Netgear Rax50 Firmware<1.0.2.28
Netgear Rax50
All of
Netgear Rax75 Firmware<1.0.3.106
Netgear Rax75
All of
Netgear Ms60 Firmware<1.0.6.110
Netgear Ms60

Remedy

https://kb.netgear.com/000064476/Security-Advisory-for-Post-Authentication-Command-Injection-on-Some-Routers-and-WiFi-Systems-PSV-2020-0195

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Reference Links

Frequently Asked Questions

  • What is the severity of CVE-2021-45539?

    The severity of CVE-2021-45539 is high.

  • Which NETGEAR devices are affected by CVE-2021-45539?

    NETGEAR devices affected by CVE-2021-45539 include R7900P, R7960P, R8000, R8000P, MR60, RAX20, RAX45, RAX80, and MS60.

  • What is the recommended firmware version to fix CVE-2021-45539?

    The recommended firmware versions to fix CVE-2021-45539 are R7900P 1.4.2.84, R7960P 1.4.2.84, R8000 1.0.4.74, R8000P 1.4.2.84, MR60 1.0.6.110, RAX20 1.0.2.82, RAX45 1.0.2.28, RAX80 1.0.3.106, and MS60 1.0.6.110.

  • How can an authenticated user exploit CVE-2021-45539?

    An authenticated user can exploit CVE-2021-45539 through command injection.

  • Where can I find more information about CVE-2021-45539?

    More information about CVE-2021-45539 can be found at the following URL: [https://kb.netgear.com/000064476/Security-Advisory-for-Post-Authentication-Command-Injection-on-Some-Routers-and-WiFi-Systems-PSV-2020-0195](https://kb.netgear.com/000064476/Security-Advisory-for-Post-Authentication-Command-Injection-on-Some-Routers-and-WiFi-Systems-PSV-2020-0195)

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