Huawei CloudEngine 5800 with software before V200R001C00SPC700, CloudEngine 6800 with software before V200R001C00SPC700, CloudEngine 7800 with software before V200R001C00SPC700, CloudEngine 8800 with software before V200R001C00SPC700, CloudEngine 12800 with software before V200R001C00SPC700 could allow the attacker to exploit a buffer overflow vulnerability by sending crafted packets to the affected system to cause a main control board reboot.