CVE-2022-46423: High severity netgear wnr2000v2 vulnerability

Published Dec 20, 2022
·
Updated

An exploitable firmware modification vulnerability was discovered on the Netgear WNR2000v1 router. An attacker can conduct a MITM (Man-in-the-Middle) attack to modify the user-uploaded firmware image and bypass the CRC check, allowing attackers to execute arbitrary code or cause a Denial of Service (DoS). This affects v1.2.3.7 and earlier.

Affected Software

4 affected components
Netgear Wnr2000 Firmware<=1.2.3.7
Netgear WNR2000=1.0
All of the following
Netgear Wnr2000 Firmware<=1.2.3.7
Netgear WNR2000=1.0

Event History

Dec 20, 2022
CVE Published
via MITRE·12:00 AM
Data Sourced
via MITRE·12:00 AM
Description
Data Sourced
via NVD·08:15 PM
DescriptionSeverityAffected Software
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Frequently Asked Questions

1

What is CVE-2022-46423?

CVE-2022-46423 is a firmware modification vulnerability found in the Netgear WNR2000v1 router.

2

What is the severity of CVE-2022-46423?

The severity of CVE-2022-46423 is high with a CVSS score of 8.1.

3

How does CVE-2022-46423 work?

CVE-2022-46423 allows an attacker to conduct a MITM (Man-in-the-Middle) attack to modify the user-uploaded firmware image and bypass the CRC check, enabling them to execute arbitrary code or cause a Denial of Service.

4

Which Netgear WNR2000 firmware versions are affected by CVE-2022-46423?

Netgear WNR2000 firmware versions up to and including 1.2.3.7 are affected by CVE-2022-46423.

5

How can I fix CVE-2022-46423?

To fix CVE-2022-46423, it is recommended to update to the latest firmware version provided by Netgear.

Contact

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