CVE-2022-46423: NETGEAR WNR2000 Firmware

High severity, CVSS 8.1. EPSS: 0.4% chance of exploitation in the next 30 days.

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.

Affected products

• NETGEAR WNR2000 Firmware: up to and including 1.2.3.7

Published 2022-12-20. Last modified 2026-06-17.