CVSS 3.1 Score 9.8 of 10 (high)


Published Sep 1, 2023
Updated: Sep 7, 2023
CWE ID 120


CVE-2023-36187 is a Buffer Overflow vulnerability that affects NETGEAR R6400v2 routers before version This vulnerability allows remote attackers to execute arbitrary code by sending a crafted URL to the httpd service. The vulnerability has a base severity rating of CRITICAL, with a base score of 9.8 out of 10 according to the National Vulnerability Database (NVD). It is categorized as CWE-120, which refers to a classic buffer overflow vulnerability where input size is not checked. The affected products include various models of NETGEAR routers and related devices. To remediate this vulnerability, users are advised to update their firmware to version or later, which includes the necessary security fixes. If left unpatched, this vulnerability poses a high risk to organizations as it can be exploited remotely without authentication, allowing attackers to execute arbitrary code and potentially gain unauthorized access to the affected devices and network resources.


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