CVE-2022-29640

Name of the Vulnerable Software and Affected Versions TOTOLINK A3100R versions V4.1.2cu.5050 B20200504 through V4.1.2cu.5247 B20211129

Description The issue is related to a stack overflow via the comment parameter in the setPortForwardRules function, allowing attackers to cause a Denial of Service (DoS) via a crafted POST request.

Recommendations For versions V4.1.2cu.5050 B20200504 through V4.1.2cu.5247 B20211129, consider disabling the setPortForwardRules function until a patch is available to prevent exploitation. Restrict access to the vulnerable function to minimize the risk of Denial of Service (DoS) attacks. At the moment, there is no information about a newer version that contains a fix for this vulnerability.