critical
9.8
Advisory Published
Updated

CVE-2021-45644

First published: Sun Dec 26 2021(Updated: )

Certain NETGEAR devices are affected by incorrect configuration of security settings. This affects AC2100 before 1.2.0.88, AC2400 before 1.2.0.88, AC2600 before 1.2.0.88, R6220 before 1.1.0.110, R6230 before 1.1.0.110, R6260 before 1.1.0.84, R6330 before 1.1.0.84, R6350 before 1.1.0.84, R6700v2 before 1.2.0.88, R6800 before 1.2.0.88, R6850 before 1.1.0.84, R6900v2 before 1.2.0.88, R7200 before 1.2.0.88, R7350 before 1.2.0.88, R7400 before 1.2.0.88, and R7450 before 1.2.0.88.

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

Affected SoftwareAffected VersionHow to fix
All of
NETGEAR AC2100<1.2.0.88
NETGEAR AC2100 firmware
All of
NETGEAR AC2400 firmware<1.2.0.88
NETGEAR AC2400 firmware
All of
NETGEAR AC2600 firmware<1.2.0.88
NETGEAR AC2600
All of
NETGEAR R6220 firmware<1.1.0.110
NETGEAR R6220 firmware
All of
NETGEAR R6230 firmware<1.1.0.110
NETGEAR R6230 firmware
All of
NETGEAR R6260 firmware<1.1.0.84
NETGEAR R6260 firmware
All of
NETGEAR R6330 firmware<1.1.0.84
NETGEAR R6330 firmware
All of
NETGEAR R6350 firmware<1.1.0.84
NETGEAR R6350 firmware
All of
Netgear R6700 Firmware<1.2.0.88
NETGEAR R6700v2 firmware
All of
NETGEAR R6800 firmware<1.2.0.88
NETGEAR R6800 firmware
All of
NETGEAR R6850 firmware<1.1.0.84
Netgear R6850
All of
NETGEAR R6900v2<1.2.0.88
NETGEAR R6900v2 firmware
All of
NETGEAR R7200 firmware<1.2.0.88
NETGEAR R7200 firmware
All of
NETGEAR R7350 firmware<1.2.0.88
NETGEAR R7350 firmware
All of
NETGEAR R7400 firmware<1.2.0.88
NETGEAR R7400 firmware
All of
NETGEAR R7450 firmware<1.2.0.88
NETGEAR R7450 firmware
NETGEAR AC2100<1.2.0.88
NETGEAR AC2100 firmware
NETGEAR AC2400 firmware<1.2.0.88
NETGEAR AC2400 firmware
NETGEAR AC2600 firmware<1.2.0.88
NETGEAR AC2600
NETGEAR R6220 firmware<1.1.0.110
NETGEAR R6220 firmware
NETGEAR R6230 firmware<1.1.0.110
NETGEAR R6230 firmware
NETGEAR R6260 firmware<1.1.0.84
NETGEAR R6260 firmware
NETGEAR R6330 firmware<1.1.0.84
NETGEAR R6330 firmware
NETGEAR R6350 firmware<1.1.0.84
NETGEAR R6350 firmware
Netgear R6700 Firmware<1.2.0.88
NETGEAR R6700v2 firmware
NETGEAR R6800 firmware<1.2.0.88
NETGEAR R6800 firmware
NETGEAR R6850 firmware<1.1.0.84
Netgear R6850
NETGEAR R6900v2<1.2.0.88
NETGEAR R6900v2 firmware
NETGEAR R7200 firmware<1.2.0.88
NETGEAR R7200 firmware
NETGEAR R7350 firmware<1.2.0.88
NETGEAR R7350 firmware
NETGEAR R7400 firmware<1.2.0.88
NETGEAR R7400 firmware
NETGEAR R7450 firmware<1.2.0.88
NETGEAR R7450 firmware

Remedy

https://kb.netgear.com/000064162/Security-Advisory-for-Security-Misconfiguration-on-Some-Routers-PSV-2021-0046

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Reference Links

Frequently Asked Questions

  • Which NETGEAR devices are affected by CVE-2021-45644?

    AC2100 before 1.2.0.88, AC2400 before 1.2.0.88, AC2600 before 1.2.0.88, R6220 before 1.1.0.110, R6230 before 1.1.0.110, R6260 before 1.1.0.84, R6330 before 1.1.0.84, R6350 before 1.1.0.84, R6700v2 before 1.2.0.88, R6800 before 1.2.0.88, R6850 before 1.1.0.84, R6900v2 before 1.2.0.88, R7200 before 1.2.0.88, R7350 before 1.2.0.88, R7400 before 1.2.0.88, R7450 before 1.2.0.88.

  • What is the severity of CVE-2021-45644?

    The severity of CVE-2021-45644 is critical with a CVSS score of 9.8.

  • How do I fix CVE-2021-45644?

    To fix CVE-2021-45644, Netgear has released firmware updates for the affected devices. Please refer to the Netgear advisory at https://kb.netgear.com/000064162/Security-Advisory-for-Security-Misconfiguration-on-Some-Routers-PSV-2021-0046 for more information.

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