medium
6.8
CWE
787 119
Advisory Published
Updated

CVE-2019-20723: Buffer Overflow

First published: Thu Apr 16 2020(Updated: )

Certain NETGEAR devices are affected by a stack-based buffer overflow by an authenticated user. This affects D3600 before 1.0.0.75, D6000 before 1.0.0.75, D6100 before 1.0.0.63, DM200 before 1.0.0.58, EX2700 before 1.0.1.48, EX6100v2 before 1.0.1.76, EX6150v2 before 1.0.1.76, EX6200v2 before 1.0.1.72, EX6400 before 1.0.2.136, EX7300 before 1.0.2.136, EX8000 before 1.0.1.180, R7800 before 1.0.2.52, R8900 before 1.0.4.2, R9000 before 1.0.4.2, WN2000RPTv3 before 1.0.1.32, WN3000RPv2 before 1.0.0.68, WN3000RPv3 before 1.0.2.70, WN3100RPv2 before 1.0.0.60, WNDR4300v2 before 1.0.0.58, WNDR4500v3 before 1.0.0.58, WNR2000v5 before 1.0.0.68, and XR500 before 2.3.2.32.

Credit: cve@mitre.org

Affected SoftwareAffected VersionHow to fix
Netgear D3600 Firmware<1.0.0.75
NETGEAR D3600
Netgear D6000 Firmware<1.0.0.75
Netgear D6000
Netgear D6100 Firmware<1.0.0.63
NETGEAR D6100
Netgear Dm200 Firmware<1.0.0.58
Netgear Dm200
Netgear Ex2700 Firmware<1.0.1.48
Netgear Ex2700
Netgear Ex6100 Firmware<1.0.1.76
Netgear EX6100=v2
NETGEAR R7800<1.0.1.76
Netgear Ex6150=v2
Netgear Ex6200 Firmware<1.0.1.72
Netgear EX6200=v2
Netgear Ex6400 Firmware<1.0.2.136
Netgear Ex6400
Netgear Ex7300 Firmware<1.0.2.136
Netgear Ex7300
NETGEAR R7800<1.0.1.180
Netgear Ex8000
NETGEAR R7800 firmware<1.0.2.52
NETGEAR R7800
Netgear R8900 Firmware<1.0.4.2
NETGEAR R8900
Netgear R9000 Firmware<1.0.4.2
NETGEAR R9000
Netgear Wn2000rpt Firmware<1.0.1.32
Netgear Wn2000rpt=v3
Netgear Wn3000rp Firmware<1.0.0.68
Netgear Wn3000rp=v2
Netgear Wn3000rp Firmware<1.0.2.70
Netgear Wn3000rp=v3
Netgear Wn3100rp Firmware<1.0.0.60
Netgear Wn3100rp=v2
Netgear Wndr4300 Firmware<1.0.0.58
Netgear Wndr4300=v2
Netgear Wndr4500 Firmware<1.0.0.58
Netgear WNDR4500=v3
Netgear Wnr2000 Firmware<1.0.0.68
Netgear WNR2000=v5
Netgear Xr500 Firmware<2.3.2.32
NETGEAR XR500

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Reference Links

Frequently Asked Questions

  • Which NETGEAR devices are affected by CVE-2019-20723?

    D3600, D6000, D6100, DM200, EX2700, EX6100v2, EX6150v2, EX6200v2

  • What is the severity of CVE-2019-20723?

    The severity of CVE-2019-20723 is medium, with a severity value of 6.8.

  • What is the vulnerability type of CVE-2019-20723?

    The vulnerability type of CVE-2019-20723 is stack-based buffer overflow.

  • How can I fix CVE-2019-20723?

    To fix CVE-2019-20723, update your device firmware to the latest version provided by NETGEAR.

  • Where can I find more information about CVE-2019-20723?

    You can find more information about CVE-2019-20723 in the NETGEAR security advisory: https://kb.netgear.com/000061205/Security-Advisory-for-Post-Authentication-Stack-Overflow-on-Some-Routers-Gateways-and-Extenders-PSV-2018-0146

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