High severity · published Dec 20, 2022
CVE-2022-46423
An exploitable firmware modification vulnerability was discovered on the Netgear WNR2000v1 router
8.1
CVSS
0.4%
EPSS
No
On KEV
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 vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
High
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.4% · higher than 37% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
WF
Wnr2000 Firmware · Netgear
through 1.2.3.7 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2022-46423
CVE.org
https://www.cve.org/CVERecord?id=CVE-2022-46423
hackmd.io
https://hackmd.io/%40slASVrz_SrW7NQCsunofeA/BktKl8ZDo
Vendor Advisory
https://www.netgear.com/about/security/
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