CVE-2021-45573: Buffer Overflow

Published Dec 26, 2021
·
Updated

Certain NETGEAR devices are affected by a stack-based buffer overflow by an unauthenticated attacker. This affects R6260 before 1.1.0.76, R6800 before 1.2.0.62, R6700v2 before 1.2.0.62, R6900v2 before 1.2.0.62, R7450 before 1.2.0.62, AC2100 before 1.2.0.62, AC2400 before 1.2.0.62, and AC2600 before 1.2.0.62.

Affected Software

32 affected components
All of the following
Netgear R6260 Firmware<1.1.0.76
Netgear R6260
All of the following
Netgear R6800 Firmware<1.2.0.62
Netgear R6800
All of the following
Netgear R6700 firmware<1.2.0.62
Netgear R6700=v2
All of the following
Netgear R6900 Firmware<1.2.0.62
Netgear R6900=v2
All of the following
Netgear R7450 Firmware<1.2.0.62
Netgear R7450
All of the following
Netgear Ac2100 Firmware<1.2.0.62
Netgear AC2100
All of the following
Netgear Ac2400 Firmware<1.2.0.62
Netgear AC2400
All of the following
Netgear Ac2600 Firmware<1.2.0.62
Netgear AC2600
Netgear R6260 Firmware<1.1.0.76
Netgear R6260
Netgear R6800 Firmware<1.2.0.62
Netgear R6800
Netgear R6700 firmware<1.2.0.62
Netgear R6700=v2
Netgear R6900 Firmware<1.2.0.62
Netgear R6900=v2
Netgear R7450 Firmware<1.2.0.62
Netgear R7450
Netgear Ac2100 Firmware<1.2.0.62
Netgear AC2100
Netgear Ac2400 Firmware<1.2.0.62
Netgear AC2400
Netgear Ac2600 Firmware<1.2.0.62
Netgear AC2600

Event History

Dec 26, 2021
CVE Published
via MITRE·12:46 AM
Data Sourced
via MITRE·12:46 AM
DescriptionSeverity
Data Sourced
via NVD·01:15 AM
DescriptionSeverityWeaknessAffected Software
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Frequently Asked Questions

1

What is CVE-2021-45573?

CVE-2021-45573 is a vulnerability affecting certain NETGEAR devices that allows an unauthenticated attacker to perform a stack-based buffer overflow.

2

Which NETGEAR devices are affected by CVE-2021-45573?

CVE-2021-45573 affects the following NETGEAR devices: R6260 before 1.1.0.76, R6800 before 1.2.0.62, R6700v2 before 1.2.0.62, R6900v2 before 1.2.0.62, R7450 before 1.2.0.62, AC2100 before 1.2.0.62, AC2400 before 1.2.0.62, and AC2600 before 1.2.0.62.

3

What is the severity of CVE-2021-45573?

CVE-2021-45573 has a severity rating of 8.8 (high).

4

How can I fix CVE-2021-45573?

To fix CVE-2021-45573, users should update their device's firmware to the latest version provided by NETGEAR.

5

Where can I find more information about CVE-2021-45573?

More information about CVE-2021-45573 can be found in the NETGEAR security advisory: https://kb.netgear.com/000064095/Security-Advisory-for-Post-Authentication-Command-Injection-on-Some-WiFi-Systems-PSV-2020-0081

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