What’s Vulnerable › Vulnerabilities

CVE-2022-46423

• Severity: high (CVSS 8.1 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.4% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2022-12-20 · updated 2026-06-17
• Weakness: CWE-494

Description

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: through 1.2.3.7

References

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

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