CVE-2023-40042

Summary

CVE-2023-40042 is a stack-based buffer overflow vulnerability affecting the TOTOLINK T10_v2 5.9c.5061_B20200511 firmware. The issue lies in the setStaticDhcpConfig function within the /lib/cste_modules/lan.so module. An attacker can exploit this vulnerability by sending specially crafted MQTT packets with malicious data in the comment parameter. By controlling the return address in the stack, the attacker can execute arbitrary code on the affected device.

Prevent cyber attacks with Recorded Future by prioritizing and patching critical vulnerabilities being exploited by threat actors targeting your industry. Book your demo to learn more.