medium
6.7
CWE
787 119
Advisory Published
Updated

CVE-2019-20737: Buffer Overflow

First published: Thu Apr 16 2020(Updated: )

Certain NETGEAR devices are affected by a stack-based buffer overflow by an unauthenticated attacker. This affects D6220 before 1.0.0.44, D6400 before 1.0.0.78, D7000v2 before 1.0.0.51, D8500 before 1.0.3.42, DGN2200v4 before 1.0.0.106, DGND2200Bv4 before 1.0.0.106, EX3700 before 1.0.0.70, EX3800 before 1.0.0.70, EX6000 before 1.0.0.30, EX6100 before 1.0.2.24, EX6120 before 1.0.0.40, EX6130 before 1.0.0.22, EX6150v1 before 1.0.0.42, EX6200 before 1.0.3.88, EX7000 before 1.0.0.66, R6400 before 1.0.1.42, R6700 before 1.0.1.46, R6700v3 before 1.0.2.52, R6900 before 1.0.1.46, R7000 before 1.0.9.28, R7900P before 1.3.0.10, R8000P before 1.3.0.10, R8300 before 1.0.2.122, R8500 before 1.0.2.122, WN2500RPv2 before 1.0.1.54, WNDR3400v3 before 1.0.1.24, and WNR3500Lv2 before 1.2.0.54.

Credit: cve@mitre.org

Affected SoftwareAffected VersionHow to fix
Netgear D6220 Firmware<1.0.0.44
NETGEAR D6220
Netgear D6400 Firmware<1.0.0.78
Netgear D6400
Netgear D7000 Firmware<1.0.0.51
NETGEAR D7000=v2
Netgear D8500 Firmware<1.0.3.42
Netgear D8500
Netgear Dgn2200 Firmware<1.0.0.106
Netgear DGN2200=v4
Netgear Dgnd2200b Firmware<1.0.0.106
Netgear Dgnd2200b=v4
Netgear Ex3700 Firmware<1.0.0.70
Netgear EX3700
Netgear Ex3800 Firmware<1.0.0.70
Netgear Ex3800
Netgear Ex6000 Firmware<1.0.0.30
Netgear Ex6000
Netgear Ex6100 Firmware<1.0.2.24
Netgear EX6100
Netgear Ex6120 Firmware<1.0.0.40
Netgear EX6120
Netgear Ex6130 Firmware<1.0.0.22
Netgear Ex6130
Netgear Ex6150 Firmware<1.0.0.42
Netgear Ex6150=v1
Netgear Ex6200 Firmware<1.0.3.88
Netgear EX6200
Netgear Ex7000 Firmware<1.0.0.66
NETGEAR EX7000
Netgear R6400 Firmware<1.0.1.42
NETGEAR R6400
Netgear R6700 Firmware<1.0.1.46
NETGEAR R6700
Netgear R6700 Firmware<1.0.2.52
NETGEAR R6700=v3
Netgear R6900 Firmware<1.0.1.46
Netgear R6900
Netgear R7000 Firmware<1.0.9.28
NETGEAR R7000
Netgear R7900p Firmware<1.3.0.10
Netgear R7900p
Netgear R8000p Firmware<1.3.0.10
Netgear R8000p
Netgear R8300 Firmware<1.0.2.122
NETGEAR R8300
Netgear R8500 Firmware<1.0.2.122
NETGEAR R8500
Netgear Wn2500rp Firmware<1.0.1.54
Netgear Wn2500rp=v2
Netgear Wndr3400 Firmware<1.0.1.24
Netgear Wndr3400=v3
Netgear Wnr3500l Firmware<1.2.0.54
Netgear Wnr3500l=v2

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Reference Links

Frequently Asked Questions

  • What is the vulnerability ID of this NETGEAR stack-based buffer overflow vulnerability?

    The vulnerability ID is CVE-2019-20737.

  • Which NETGEAR devices are affected by this stack-based buffer overflow vulnerability?

    This vulnerability affects D6220 before 1.0.0.44, D6400 before 1.0.0.78, D7000v2 before 1.0.0.51, D8500 before 1.0.3.42, DGN2200v4 before 1.0.0.106, DGND2200Bv4 before 1.0.0.106, EX3700 before 1.0.0.70, EX3800, and more. Please check the Netgear security advisory for the complete list.

  • What is the severity of CVE-2019-20737 vulnerability?

    The severity of CVE-2019-20737 vulnerability is medium with a severity value of 6.7.

  • How can I fix the CVE-2019-20737 vulnerability?

    To fix the CVE-2019-20737 vulnerability, you should update the firmware of the affected NETGEAR devices to the latest version provided by Netgear.

  • Where can I find more information about the CVE-2019-20737 vulnerability?

    You can find more information about the CVE-2019-20737 vulnerability in the Netgear security advisory: https://kb.netgear.com/000061188/Security-Advisory-for-Pre-Authentication-Stack-Overflow-on-Some-Routers-Gateways-and-Extenders-PSV-2017-2016

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