Several stack-based buffer overflow vulnerabilities exist in the DetranCLI command parsing functionality of Siretta QUARTZ-GOLD G5.0.1.5-210720-141020. A specially-crafted network packet can lead to arbitrary command execution. An attacker can send a sequence of requests to trigger these vulnerabilities.This buffer overflow is in the function that manages the 'no vpn pptp advanced name WORD dns (yes|no) mtu <128-16384> mru <128-16384> mppe (on|off) stateful (on|off)' command template.