CVE-2022-38955 - Vulnerability Details - OpenCVE

An exploitable firmware modification vulnerability was discovered on the Netgear WPN824EXT WiFi Range Extender. An attacker can conduct a MITM attack to modify the user-uploaded firmware image and bypass the CRC check. A successful attack can either introduce a backdoor to the device or make the device DoS. This affects Firmware Version: 1.1.1_1.1.9.

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 Required

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

The EPSS score is 0.00097.

Exploitation none

Automatable no

Technical Impact total

Vendors	Products
Netgear	Wpn824ext Wpn824ext Firmware

Configuration 1 [-]

AND

cpe:2.3:o:netgear:wpn824ext_firmware:1.1.1_1.1.9:*:*:*:*:*:*:*

cpe:2.3:h:netgear:wpn824ext:-:*:*:*:*:*:*:*

No data.

No data.

Advisories

Source	ID	Title
EUVD	EUVD-2022-41502	An exploitable firmware modification vulnerability was discovered on the Netgear WPN824EXT WiFi Range Extender. An attacker can conduct a MITM attack to modify the user-uploaded firmware image and bypass the CRC check. A successful attack can either introduce a backdoor to the device or make the device DoS. This affects Firmware Version: 1.1.1_1.1.9.

Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References

Link	Providers
https://hackmd.io/%40eupX2KdkT6iNpqJUWk9p4A/SyAnOSd1s
https://www.netgear.com/about/security/

History

Wed, 28 May 2025 16:15:00 +0000

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

MITRE

Status: PUBLISHED

Assigner: mitre

Published: 2022-09-20T17:47:27.000Z

Updated: 2025-05-28T16:00:21.807Z

Reserved: 2022-08-29T00:00:00.000Z

Link: CVE-2022-38955

Vulnrichment

Updated: 2024-08-03T11:10:32.249Z

NVD

Status : Modified

Published: 2022-09-20T18:15:10.360

Modified: 2025-05-28T16:15:27.320

Link: CVE-2022-38955

Redhat

No data.

OpenCVE Enrichment

No data.

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