CVE-2021-45529: Buffer Overflow

Published 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.

Affected Software

40 affected components
Netgear Cbr40 Firmware<2.3.5.12
Netgear CBR40
Netgear D7000v2 Firmware<1.0.0.66
Netgear D7000v2
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 Wnr3500lv2 Firmware<1.2.0.62
Netgear WNR3500Lv2
All of the following
Netgear Cbr40 Firmware<2.3.5.12
Netgear CBR40
All of the following
Netgear D7000v2 Firmware<1.0.0.66
Netgear D7000v2
All of the following
Netgear D8500 Firmware<1.0.3.58
Netgear D8500
All of the following
Netgear R6400 Firmware<1.0.1.70
Netgear R6400
All of the following
Netgear R7000 Firmware<1.0.11.126
Netgear R7000
All of the following
Netgear R7000p Firmware<1.3.2.124
Netgear R7000P
All of the following
Netgear R6900p Firmware<1.3.2.124
Netgear R6900P
All of the following
Netgear R7900 Firmware<1.0.4.30
Netgear R7900
All of the following
Netgear R8000 Firmware<1.0.4.52
Netgear R8000
All of the following
Netgear Wnr3500lv2 Firmware<1.2.0.62
Netgear WNR3500Lv2

Event History

Dec 26, 2021
CVE Published
via MITRE·12:57 AM
Data Sourced
via MITRE·12:57 AM
DescriptionSeverity
Data Sourced
via NVD·01:15 AM
RemedyDescriptionSeverityWeaknessAffected Software
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Frequently Asked Questions

1

What is the vulnerability ID of this buffer overflow vulnerability?

The vulnerability ID is CVE-2021-45529.

2

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.

3

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).

4

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.

5

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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