7.3
CWE
120 119
Advisory Published
Updated

CVE-2021-45529: Buffer Overflow

First published: Sun Dec 26 2021(Updated: )

Certain NETGEAR devices are affected by a buffer overflow by an authenticated user. This affects CBR40 before 2.3.5.12, D7000v2 before 1.0.0.66, D8500 before 1.0.3.58, R6400 before 1.0.1.70, R7000 before 1.0.11.126, R6900P before 1.3.2.124, R7000P before 1.3.2.124, R7900 before 1.0.4.30, R8000 before 1.0.4.52, and WNR3500Lv2 before 1.2.0.62.

Credit: cve@mitre.org cve@mitre.org

Affected SoftwareAffected VersionHow to fix
Netgear Cbr40 Firmware<2.3.5.12
Netgear Cbr40
NETGEAR R6400v2<1.0.0.66
NETGEAR R6400v2
Netgear D8500 Firmware<1.0.3.58
Netgear D8500
Netgear R6400 Firmware<1.0.1.70
NETGEAR R6400
Netgear R7000 Firmware<1.0.11.126
NETGEAR R7000
Netgear R7000p Firmware<1.3.2.124
Netgear R7000P
Netgear R6900p Firmware<1.3.2.124
Netgear R6900P
Netgear R7900 Firmware<1.0.4.30
Netgear R7900
Netgear R8000 Firmware<1.0.4.52
NETGEAR R8000
NETGEAR R6400v2<1.2.0.62
Netgear Wnr3500lv2
All of
Netgear Cbr40 Firmware<2.3.5.12
Netgear Cbr40
All of
Netgear D7000v2 Firmware<1.0.0.66
Netgear D7000v2
All of
Netgear D8500 Firmware<1.0.3.58
Netgear D8500
All of
Netgear R6400 Firmware<1.0.1.70
NETGEAR R6400
All of
Netgear R7000 Firmware<1.0.11.126
NETGEAR R7000
All of
Netgear R7000p Firmware<1.3.2.124
Netgear R7000P
All of
Netgear R6900p Firmware<1.3.2.124
Netgear R6900P
All of
Netgear R7900 Firmware<1.0.4.30
Netgear R7900
All of
Netgear R8000 Firmware<1.0.4.52
NETGEAR R8000
All of
Netgear Wnr3500lv2 Firmware<1.2.0.62
Netgear Wnr3500lv2

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Frequently Asked Questions

  • What is the vulnerability ID of this buffer overflow vulnerability?

    The vulnerability ID is CVE-2021-45529.

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

    This vulnerability affects CBR40 before 2.3.5.12, D7000v2 before 1.0.0.66, D8500 before 1.0.3.58, R6400 before 1.0.1.70, R7000 before 1.0.11.126, R6900P before 1.3.2.124, R7000P before 1.3.2.124, R7900 before 1.0.4.30, R8000 before 1.0.4.52, and WNR3500Lv2 before 1.2.0.62.

  • What is the severity of vulnerability CVE-2021-45529?

    The severity of this vulnerability is high with a CVSS score of 7.2 (out of 10).

  • How can I fix the buffer overflow vulnerability in my NETGEAR device?

    To fix the vulnerability, update your device's firmware to the latest available version provided by NETGEAR.

  • Where can I find more information about this buffer overflow vulnerability?

    You can find more information about this vulnerability in the NETGEAR security advisory at: https://kb.netgear.com/000064058/Security-Advisory-for-Post-Authentication-Buffer-Overflow-on-Some-Routers-PSV-2019-0077

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