high
8.4
CWE
77
Advisory Published
Updated

CVE-2021-45549: Command Injection

First published: Sun Dec 26 2021(Updated: )

Certain NETGEAR devices are affected by command injection by an authenticated user. This affects LAX20 before 1.1.6.28, MK62 before 1.1.6.122, MR60 before 1.1.6.122, MS60 before 1.1.6.122, R6400v2 before 1.0.4.118, R6700v3 before 1.0.4.118, R6900P before 1.3.3.140, R7000 before 1.0.11.116, R7000P before 1.3.3.140, R7850 before 1.0.5.68, R7900 before 1.0.4.38, R7900P before 1.4.2.84, R7960P before 1.4.2.84, R8000 before 1.0.4.68, R8000P before 1.4.2.84, RAX15 before 1.0.3.96, RAX20 before 1.0.3.96, RAX200 before 1.0.4.120, RAX35v2 before 1.0.3.96, RAX40v2 before 1.0.3.96, RAX43 before 1.0.3.96, RAX45 before 1.0.3.96, RAX50 before 1.0.3.96, RAX75 before 1.0.4.120, RAX80 before 1.0.4.120, RS400 before 1.5.1.80, and XR1000 before 1.0.0.58.

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

Affected SoftwareAffected VersionHow to fix
Netgear Lax20 Firmware<1.1.6.28
Netgear Lax20
Netgear Mk62 Firmware<1.1.6.122
Netgear Mk62
Netgear Mr60 Firmware<1.1.6.122
Netgear Mr60
Netgear Ms60 Firmware<1.1.6.122
Netgear Ms60
Netgear R6400 Firmware<1.0.4.118
NETGEAR R6400
Netgear R6700 Firmware<1.0.4.118
NETGEAR R6700=v3
Netgear R6900p Firmware<1.3.3.140
Netgear R6900P
Netgear R7000 Firmware<1.0.11.116
NETGEAR R7000
Netgear R7000p Firmware<1.3.3.140
Netgear R7000P
Netgear R7850 Firmware<1.0.5.68
NETGEAR R6400v2
Netgear R7900 Firmware<1.0.4.38
Netgear R7900
Netgear R7900p Firmware<1.4.2.84
Netgear R7900p
Netgear R7960p Firmware<1.4.2.84
Netgear R7960p
Netgear R8000 Firmware<1.0.4.68
NETGEAR R8000
Netgear R8000p Firmware<1.4.2.84
Netgear R8000p
Netgear Rax15 Firmware<1.0.3.96
Netgear Rax15
Netgear Rax20 Firmware<1.0.3.96
Netgear Rax20
Netgear Rax200 Firmware<1.0.4.120
NETGEAR RAX200
Netgear Rax35 Firmware<1.0.3.96
Netgear RAX35=v2
Netgear Rax40 Firmware<1.0.3.96
NETGEAR RAX40
NETGEAR R6400v2<1.0.3.96
Netgear RAX43
Netgear Rax45 Firmware<1.0.3.96
Netgear Rax45
Netgear Rax50 Firmware<1.0.3.96
Netgear Rax50
Netgear Rax75 Firmware<1.0.4.120
Netgear Rax75
Netgear Rax80 Firmware<1.0.4.120
Netgear Rax80
Netgear Rs400 Firmware<1.5.1.80
Netgear Rs400
Netgear Xr1000 Firmware<1.0.0.58
NETGEAR XR1000
All of
Netgear Lax20 Firmware<1.1.6.28
Netgear Lax20
All of
Netgear Mk62 Firmware<1.1.6.122
Netgear Mk62
All of
Netgear Mr60 Firmware<1.1.6.122
Netgear Mr60
All of
Netgear Ms60 Firmware<1.1.6.122
Netgear Ms60
All of
Netgear R6400 Firmware<1.0.4.118
NETGEAR R6400
All of
Netgear R6700 Firmware<1.0.4.118
NETGEAR R6700=v3
All of
Netgear R6900p Firmware<1.3.3.140
Netgear R6900P
All of
Netgear R7000 Firmware<1.0.11.116
NETGEAR R7000
All of
Netgear R7000p Firmware<1.3.3.140
Netgear R7000P
All of
Netgear R7850 Firmware<1.0.5.68
Netgear R7850
All of
Netgear R7900 Firmware<1.0.4.38
Netgear R7900
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<1.0.4.68
NETGEAR R8000
All of
Netgear R8000p Firmware<1.4.2.84
Netgear R8000p
All of
Netgear Rax15 Firmware<1.0.3.96
Netgear Rax15
All of
Netgear Rax20 Firmware<1.0.3.96
Netgear Rax20
All of
Netgear Rax200 Firmware<1.0.4.120
NETGEAR RAX200
All of
Netgear Rax35 Firmware<1.0.3.96
Netgear RAX35=v2
All of
Netgear Rax40 Firmware<1.0.3.96
NETGEAR RAX40
All of
Netgear Rax43 Firmware<1.0.3.96
Netgear RAX43
All of
Netgear Rax45 Firmware<1.0.3.96
Netgear Rax45
All of
Netgear Rax50 Firmware<1.0.3.96
Netgear Rax50
All of
Netgear Rax75 Firmware<1.0.4.120
Netgear Rax75
All of
Netgear Rax80 Firmware<1.0.4.120
Netgear Rax80
All of
Netgear Rs400 Firmware<1.5.1.80
Netgear Rs400
All of
Netgear Xr1000 Firmware<1.0.0.58
NETGEAR XR1000

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Reference Links

Frequently Asked Questions

  • What is CVE-2021-45549?

    CVE-2021-45549 is a vulnerability that affects certain NETGEAR devices and allows a command injection by an authenticated user.

  • Which NETGEAR devices are affected by CVE-2021-45549?

    The following NETGEAR devices are affected by CVE-2021-45549: LAX20 before 1.1.6.28, MK62 before 1.1.6.122, MR60 before 1.1.6.122, MS60 before 1.1.6.122, R6400v2 before 1.0.4.118, R6700v3 before 1.0.4.118, R6900P before 1.3.3.140, R7000 before 1.0.11.116, R7000P before 1.4.3.11, R7850 before 1.0.5.68, R7900 before 1.0.4.38, R7900P before 1.4.2.84, R7960P before 1.4.2.84, R8000 before 1.0.4.68, R8000P before 1.4.2.84, Rax15 before 1.0.3.96, Rax20 before 1.0.3.96, Rax200 before 1.0.4.120, Rax35 before 1.0.3.96, Rax40 before 1.0.3.96, Rax43 before 1.0.3.96, Rax45 before 1.0.3.96, Rax50 before 1.0.3.96, Rax75 before 1.0.4.120, Rax80 before 1.0.4.120, Rs400 before 1.5.1.80, and XR1000 before 1.0.0.58.

  • What is the severity level of CVE-2021-45549?

    The severity level of CVE-2021-45549 is high, with a score of 6.8.

  • How can I fix the CVE-2021-45549 vulnerability?

    To fix the CVE-2021-45549 vulnerability, update your NETGEAR device firmware to the latest available version provided by NETGEAR.

  • Where can I find more information about CVE-2021-45549?

    You can find more information about CVE-2021-45549 on the NETGEAR Security Advisory page: https://kb.netgear.com/000064513/Security-Advisory-for-Post-Authentication-Command-Injection-on-Some-Routers-Extenders-and-WiFi-Systems-PSV-2020-0517

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