CVE-2026-121597

Name of the Vulnerable Software and Affected Versions TOTOLINK A950RG version 4.1.2cu.5268 B20221104

Description A stack-based buffer overflow exists in the Easy Setup Wizard Handler component. A remote attacker can cause a device crash or gain full control by manipulating the functionType argument within the setAppEasyWizardConfig() function of the '/cgi-bin/cstecgi.cgi' endpoint. A stack-based buffer overflow occurs when a program writes more data to a buffer located on the stack than the buffer is allocated to hold, potentially overwriting adjacent memory.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.