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 firmware
NETGEAR D6400<1.0.0.78
NETGEAR D6400 firmware
NETGEAR D7000v1 firmware<1.0.0.51
NETGEAR D7000 firmware=v2
Netgear D8500 Firmware<1.0.3.42
Netgear D8500 Firmware
NETGEAR DGN2200B firmware<1.0.0.106
NETGEAR DGN2200M=v4
NETGEAR DGN2200B firmware<1.0.0.106
NETGEAR DGND2200B firmware=v4
NETGEAR EX3700 firmware<1.0.0.70
Netgear EX3700
NETGEAR EX3800 firmware<1.0.0.70
NETGEAR EX3800 firmware
NETGEAR EX6000<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<1.0.0.22
NETGEAR EX6130
NETGEAR EX6150<1.0.0.42
NETGEAR EX6150v2=v1
NETGEAR EX6200<1.0.3.88
NETGEAR EX6200v1
NETGEAR EX7000 firmware<1.0.0.66
NETGEAR EX7000 firmware
NETGEAR R6400 firmware<1.0.1.42
NETGEAR R6400 firmware
NETGEAR R6700 firmware<1.0.1.46
NETGEAR R6700v1 firmware
NETGEAR R6700 firmware<1.0.2.52
NETGEAR R6700v1 firmware=v3
Netgear R6900 Firmware<1.0.1.46
Netgear R6900 Firmware
Netgear Nighthawk R7000 Firmware<1.0.9.28
NETGEAR Nighthawk R7000
NETGEAR R7900P firmware<1.3.0.10
NETGEAR R7900P firmware
NETGEAR R8000P<1.3.0.10
NETGEAR R8000P firmware
NETGEAR R8300 firmware<1.0.2.122
NETGEAR R8300 firmware
NETGEAR R8500<1.0.2.122
NETGEAR R8500
NETGEAR WN2500RP<1.0.1.54
NETGEAR WN2500RPv2=v2
NETGEAR WNDR3400<1.0.1.24
NETGEAR WNDR3400 firmware=v3
NETGEAR WNR3500L<1.2.0.54
NETGEAR WNR3500L firmware=v2

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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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