PT-2022-24625 · NetGear · Netgear Wpn824Ext Wifi Range Extender

Published 2022-09-20 · Updated 2025-05-28 · CVE-2022-38955

Positive Technologies (AI Summary)

CVSS v3.1

7.5

High

Base vector

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

Name of the Vulnerable Software and Affected Versions Netgear WPN824EXT WiFi Range Extender versions 1.1.1 through 1.1.9

Description An exploitable firmware modification issue was discovered, allowing an attacker to conduct a Man-in-the-Middle (MITM) attack. This attack can modify the user-uploaded firmware image and bypass the CRC check. A successful attack can introduce a backdoor to the device or make it unresponsive due to a Denial of Service (DoS).

Recommendations For versions 1.1.1 through 1.1.9, update the firmware to a version that is not affected by this issue. At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

DoS

Weakness Enumeration

CWE-354

Related Identifiers

CVE-2022-38955

Affected Products

Netgear Wpn824Ext Wifi Range Extender

References · 7

• 🔥 https://hackmd.io/@eupX2KdkT6iNpqJUWk9p4A/SyAnOSd1s · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2022-38955 · Security Note
• https://netgear.com/about/security · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2022-38955 · Vendor Advisory
• https://t.me/cvenotify/123898 · Telegram Post
• https://hackmd.io/%40eupX2KdkT6iNpqJUWk9p4A/SyAnOSd1s · Note
• https://t.me/cibsecurity/50148 · Telegram Post