high
7.2
CWE
787 119
Advisory Published
Updated

CVE-2018-21181: Buffer Overflow

First published: Tue Apr 28 2020(Updated: )

Certain NETGEAR devices are affected by a stack-based buffer overflow by an authenticated user. This affects D7800 before 1.0.1.28, EX2700 before 1.0.1.32, EX6200v2 before 1.0.1.56, R7500v2 before 1.0.3.24, R7800 before 1.0.2.40, R9000 before 1.0.3.6, WN2000RPTv3 before 1.0.1.20, WN3000RPv3 before 1.0.2.52, WN3100RPv2 before 1.0.0.42, WNDR3700v4 before 1.0.2.92, WNDR4300 before 1.0.2.94, WNDR4300v2 before 1.0.0.50, WNDR4500v3 before 1.0.0.50, and WNR2000v5 before 1.0.0.62.

Credit: cve@mitre.org

Affected SoftwareAffected VersionHow to fix
Netgear D7800 Firmware<1.0.1.28
Netgear D7800
Netgear Ex2700 Firmware<1.0.1.32
Netgear Ex2700
Netgear Ex6200 Firmware<1.0.1.56
Netgear EX6200=v2
Netgear R7500 Firmware<1.0.3.24
Netgear R7500=v2
NETGEAR R7800 firmware<1.0.2.40
NETGEAR R7800
Netgear R9000 Firmware<1.0.3.6
NETGEAR R9000
Netgear Wn2000rpt Firmware<1.0.1.20
Netgear Wn2000rpt=v3
Netgear Wn3000rp Firmware<1.0.2.52
Netgear Wn3000rp=v3
Netgear Wn3100rp Firmware<1.0.0.42
Netgear Wn3100rp=v2
Netgear Wndr3700 Firmware<1.0.2.92
Netgear WNDR3700=v4
Netgear Wndr4300 Firmware<1.0.2.94
Netgear Wndr4300
Netgear Wndr4300 Firmware<1.0.0.50
Netgear Wndr4300=v2
Netgear Wndr4500 Firmware<1.0.0.50
Netgear WNDR4500=v3
Netgear Wnr2000 Firmware<1.0.0.62
Netgear WNR2000=v5

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Reference Links

Frequently Asked Questions

  • Which NETGEAR devices are affected by the CVE-2018-21181 vulnerability?

    D7800 before 1.0.1.28, EX2700 before 1.0.1.32, EX6200v2 before 1.0.1.56, R7500v2 before 1.0.3.24, R7800 before 1.0.2.40, R9000 before 1.0.3.6, WN2000RPTv3 before 1.0.1.20, WN3000RPv3 before 1.0.2.52.

  • What is the severity of the CVE-2018-21181 vulnerability?

    The severity of the CVE-2018-21181 vulnerability is high with a severity value of 7.2.

  • How does the CVE-2018-21181 vulnerability affect authenticated users?

    The CVE-2018-21181 vulnerability allows an authenticated user to execute a stack-based buffer overflow.

  • How can I fix the CVE-2018-21181 vulnerability?

    Upgrade the firmware of the affected NETGEAR devices to the patched versions specified in the security advisory.

  • Where can I find more information about the CVE-2018-21181 vulnerability?

    You can find more information about the CVE-2018-21181 vulnerability in the Netgear security advisory: [link](https://kb.netgear.com/000055177/Security-Advisory-for-Post-Authentication-Stack-Overflow-on-Some-Routers-Gateways-and-Extenders-PSV-2017-2618).

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