Vulnerability 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.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Netgear | Wnr2000 Firmware | <= 1.2.3.7 |
| Netgear | Wnr2000 | 1.0 |
Related Weaknesses (CWE)
References
- https://hackmd.io/%40slASVrz_SrW7NQCsunofeA/BktKl8ZDo
- https://www.netgear.com/about/security/Vendor Advisory
- https://hackmd.io/%40slASVrz_SrW7NQCsunofeA/BktKl8ZDo
- https://www.netgear.com/about/security/Vendor Advisory
FAQ
What is CVE-2022-46423?
CVE-2022-46423 is a vulnerability with a CVSS score of 8.1 (HIGH). 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 ...
How severe is CVE-2022-46423?
CVE-2022-46423 has been rated HIGH with a CVSS base score of 8.1/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2022-46423?
Check the references section above for vendor advisories and patch information. Affected products include: Netgear Wnr2000 Firmware, Netgear Wnr2000.