CVE-2016-4577 (ngfw_module_firmware, secospace_usg6300_firmware, secospace_usg6500_firmware, secospace_usg6600_firmware, usg9500_firmware)
Buffer overflow in the Smart DNS functionity in the Huawei NGFW Module and Secospace USG6300, USG6500, USG6600, and USG9500 firewalls with software before V500R001C20SPC100 allows remote attackers to cause a denial of service or execute arbitrary code via a crafted packet, related to "illegitimate parameters."