CVE-2022-46423 - Vulnerability Details - OpenCVE

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.

No CVSS v4.0

Attack Vector Network

Attack Complexity High

Privileges Required None

Scope Unchanged

Confidentiality Impact High

Integrity Impact High

Availability Impact High

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

The EPSS score is 0.00455.

Exploitation none

Automatable no

Technical Impact total

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions

n/a

n/a

affected

Version	Status	Constraints
`n/a`	affected	—

Configuration 1 [-]

AND

cpe:2.3:o:netgear:wnr2000_firmware:*:*:*:*:*:*:*:*

cpe:2.3:h:netgear:wnr2000:1.0:*:*:*:*:*:*:*

No data.

No data.

Subscriptions

Vendors	Products
Netgear Subscribe	Wnr2000 Subscribe Wnr2000 Firmware Subscribe

Tracking

Sign in to view the affected projects.

Advisories

Source	ID	Title
EUVD	EUVD-2022-49228	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.

Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References

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

History

Thu, 17 Apr 2025 14:15:00 +0000

Type	Values Removed	Values Added
Weaknesses		CWE-494
Metrics		ssvc `{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}`

MITRE

Status: PUBLISHED

Assigner: mitre

Published: 2022-12-20T00:00:00.000Z

Updated: 2025-04-17T13:23:40.500Z

Reserved: 2022-12-05T00:00:00.000Z

Link: CVE-2022-46423

Vulnrichment

Updated: 2024-08-03T14:31:46.350Z

NVD

Status : Modified

Published: 2022-12-20T20:15:10.557

Modified: 2025-04-17T14:15:24.220

Link: CVE-2022-46423

Redhat

No data.

OpenCVE Enrichment

No data.

Weaknesses

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