Advisory Published
Updated

CVE-2018-21165

First published: Thu Apr 23 2020(Updated: )

Certain NETGEAR devices are affected by denial of service. This affects R6100 before 1.0.1.22, R7500 before 1.0.0.122, R7800 before 1.0.2.42, R8900 before 1.0.3.10, R9000 before 1.0.3.10, WNDR3700v4 before 1.0.2.96, WNDR4300 before 1.0.2.98, WNDR4300v2 before 1.0.0.54, WNDR4500v3 before 1.0.0.54, and WNR2000v5 before 1.0.0.64.

Credit: cve@mitre.org

Affected SoftwareAffected VersionHow to fix
Netgear R6100 Firmware<1.0.1.22
Netgear R6100
Netgear R7500 Firmware<1.0.0.122
Netgear R7500
NETGEAR R7800 firmware<1.0.2.42
NETGEAR R7800
Netgear R8900 Firmware<1.0.3.10
NETGEAR R8900
Netgear R9000 Firmware<1.0.3.10
NETGEAR R9000
Netgear Wndr3700 Firmware<1.0.2.96
Netgear WNDR3700=v4
Netgear Wndr4300 Firmware<1.0.2.98
Netgear Wndr4300
Netgear Wndr4500 Firmware<1.0.0.54
Netgear WNDR4500=v3
Netgear Wnr2000 Firmware<1.0.0.64
Netgear WNR2000=v5
Netgear Wndr4300 Firmware<1.0.0.54
Netgear Wndr4300=v2

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Frequently Asked Questions

  • Which NETGEAR devices are affected by CVE-2018-21165?

    R6100 (before 1.0.1.22), R7500 (before 1.0.0.122), R7800 (before 1.0.2.42), R8900 (before 1.0.3.10), R9000 (before 1.0.3.10), WNDR3700v4 (before 1.0.2.96), WNDR4300 (before 1.0.2.98), WNDR4300v2 (before 1.0.0.54), and WNDR4500v3 (before 1.0.0.54).

  • What is the severity level of CVE-2018-21165?

    The severity level of CVE-2018-21165 is medium, with a severity value of 4.9.

  • How can I fix CVE-2018-21165?

    To fix CVE-2018-21165, you should update the firmware of the affected NETGEAR devices to the latest available version.

  • Where can I find more information about CVE-2018-21165?

    You can find more information about CVE-2018-21165 on the NETGEAR Security Advisory page: https://kb.netgear.com/000055194/Security-Advisory-for-Denial-of-Service-on-Some-Routers-PSV-2017-3170

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