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CVE-2022-46423

Published: Dec 20, 2022Updated: Apr 17, 2025 Sources: CVE List NVDNVD-CWE-noinfo
NVD MITRE
8.1CVSSHIGH
EPSS Score
0.4%
Top 68.7%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available

Description

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.

CVSS Vector Breakdown

AV:NAC:HPR:NUI:NS:UC:HI:HA:H
Exploitability
AV:NAttack Vector
Network
AC:HAttack Complexity
High
PR:NPrivileges Required
None
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:HConfidentiality
High
I:HIntegrity
High
A:HAvailability
High
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Weaknesses

NVD-CWE-noinfoCWE-494

Affected Products

n/an/a
wnr2000 firmwarenetgearNetworking Infrastructure
netgearcommercialUSNetworking Infrastructureaka net gear

Attack Graph

Products CVE Techniques Tactics

Click technique nodes to view MITRE ATT&CK details. Scroll to zoom, drag to pan.

Exploitability

Official Patch Available

MITRE ATT&CK

1 technique
Initial Access
View detailed technique mapping

References

https://www.netgear.com/about/security/
netgear.com
https://hackmd.io/%40slASVrz_SrW7NQCsunofeA/BktKl8ZDo
hackmd.io

Timeline

Published
Dec 20, 2022
Last Updated
Apr 17, 2025

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