CVE-2022-46423

8.1 highEPSS 0.4%

High (8.1) in netgear wnr2000 firmware. 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.

Severity

CVSS 3.1

8.1 high

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

EPSS: 0.4% chance of exploitation in the next 30 days; higher than 37% of CVEs (scores of 2026-10-31)
CWE: CWE-494
Published: 2022-12-20
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

netgear:wnr2000_firmware

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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