8.8
CWE
77
Advisory Published
Updated

CVE-2021-45547: Command Injection

First published: Sun Dec 26 2021(Updated: )

Certain NETGEAR devices are affected by command injection by an authenticated user. This affects R7850 before 1.0.5.74, 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 1.0.4.120, RAX75 before 1.0.4.120, RAX80 before 1.0.4.120, RBK752 before 3.2.17.12, RBK852 before 3.2.17.12, RBR750 before 3.2.17.12, RBR850 before 3.2.17.12, RBS750 before 3.2.17.12, and RBS850 before 3.2.17.12.

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

Affected SoftwareAffected VersionHow to fix
All of
NETGEAR R7850<1.0.5.74
NETGEAR R7850 firmware
All of
NETGEAR R7900P firmware<1.4.2.84
NETGEAR R7900P firmware
All of
NETGEAR R7960P firmware<1.4.2.84
NETGEAR R7960P firmware
All of
NETGEAR R8000 firmware<1.0.4.74
NETGEAR R8000 firmware
All of
NETGEAR R8000P<1.4.2.84
NETGEAR R8000P firmware
All of
NETGEAR RAX200 firmware<1.0.4.120
NETGEAR RAX200 firmware
All of
NETGEAR RAX75 firmware<1.0.4.120
NETGEAR RAX75 firmware
All of
NETGEAR RAX80 firmware<1.0.4.120
NETGEAR RAX80 firmware
All of
NETGEAR RBK852<3.2.17.12
NETGEAR RBK852
All of
NETGEAR RBR850 firmware<3.2.17.12
NETGEAR RBR850 firmware
All of
NETGEAR RBS850<3.2.17.12
NETGEAR RBS850 firmware
All of
NETGEAR RBK752 firmware<3.2.17.12
NETGEAR RBK752 firmware
All of
NETGEAR RBR750<3.2.17.12
NETGEAR RBR750 firmware
All of
NETGEAR RBS750<3.2.17.12
NETGEAR RBS750
NETGEAR R7850<1.0.5.74
NETGEAR R7850 firmware
NETGEAR R7900P firmware<1.4.2.84
NETGEAR R7900P firmware
NETGEAR R7960P firmware<1.4.2.84
NETGEAR R7960P firmware
NETGEAR R8000 firmware<1.0.4.74
NETGEAR R8000 firmware
NETGEAR R8000P<1.4.2.84
NETGEAR R8000P firmware
NETGEAR RAX200 firmware<1.0.4.120
NETGEAR RAX200 firmware
NETGEAR RAX75 firmware<1.0.4.120
NETGEAR RAX75 firmware
NETGEAR RAX80 firmware<1.0.4.120
NETGEAR RAX80 firmware
NETGEAR RBK852<3.2.17.12
NETGEAR RBK852
NETGEAR RBR850 firmware<3.2.17.12
NETGEAR RBR850 firmware
NETGEAR RBS850<3.2.17.12
NETGEAR RBS850 firmware
NETGEAR RBK752 firmware<3.2.17.12
NETGEAR RBK752 firmware
NETGEAR RBR750<3.2.17.12
NETGEAR RBR750 firmware
NETGEAR RBS750<3.2.17.12
NETGEAR RBS750

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Frequently Asked Questions

  • What is CVE-2021-45547?

    CVE-2021-45547 is a vulnerability that allows authenticated users to inject commands into certain NETGEAR devices.

  • Which devices are affected by CVE-2021-45547?

    CVE-2021-45547 affects the following NETGEAR devices: R7850 before 1.0.5.74, 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 1.0.4.120, RAX75 before 1.0.4.120, RAX80 before 1.0.4.120, RBK752 before 3.2.17.12, RBR850 before 3.2.17.12, RBS850 before 3.2.17.12, RBK852 before 3.2.17.12, RBR750 before 3.2.17.12, and RBS750 before 3.2.17.12.

  • How severe is CVE-2021-45547?

    CVE-2021-45547 has a severity score of 8.8 (high).

  • How can I fix CVE-2021-45547?

    To fix CVE-2021-45547, update the firmware of the affected NETGEAR devices to the specified patched versions.

  • Where can I find more information about CVE-2021-45547?

    More information about CVE-2021-45547 can be found at the following URL: [https://kb.netgear.com/000064525/Security-Advisory-for-Post-Authentication-Command-Injection-on-Some-Routers-and-WiFi-Systems-PSV-2020-0567](https://kb.netgear.com/000064525/Security-Advisory-for-Post-Authentication-Command-Injection-on-Some-Routers-and-WiFi-Systems-PSV-2020-0567)

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