Milesight UR32L firewall_handler_set function buffer overflow vulnerability (CNVD-2023-64886)

The Milesight UR32L is an industrial router from China-based Milesight. A buffer overflow vulnerability exists in the Milesight UR32L firewall_handler_set function, which can be exploited by an attacker to cause a buffer overflow and execute arbitrary code on the system, or cause an application to crash.