Huawei IPS Module is an Intrusion Prevention System (IPS) module from Huawei of China.NGFW Module is a firewall product.Secospace USG6300 is a next-generation firewall product.Secospace USG6600 is a next-generation firewall product. Multiple Huawei products are vulnerable to memory leaks, which can be exploited by attackers to perform denial-of-service attacks.