CVE-2022-38955

Published: Sep 20, 2022Modified: Jun 17, 2026

7.5

Vector

CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H

Exploitability: 1.6 / Impact: 5.9

Source: NVD

Description

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.

Affected (1)

Products: Netgear: Wpn824ext Firmware

1 product

Wpn824ext Firmware

Configuration A

1 vulnerable · 1 platform

Vulnerable Software	Affected Versions
Netgear Wpn824ext Firmware	Version 1.1.1_1.1.9

Running on/with	Platform Versions
Netgear Wpn824ext	All versions

Related CWEs

Improper Validation of Integrity Check Value

The product does not validate or incorrectly validates the integrity check values or "checksums" of a message. This may prevent it from detecting if the data has been modified or corrupted in transmission.

References (4)

https://hackmd.io/%40eupX2KdkT6iNpqJUWk9p4A/SyAnOSd1s

Source: cve@mitre.org

https://www.netgear.com/about/security/

Source: cve@mitre.org

Vendor Advisory

https://hackmd.io/%40eupX2KdkT6iNpqJUWk9p4A/SyAnOSd1s

Source: af854a3a-2127-422b-91ae-364da2661108

https://www.netgear.com/about/security/

Source: af854a3a-2127-422b-91ae-364da2661108

Vendor Advisory

Timeline

No history available yet.