The security policy processing module in Huawei Secospace USG6300 with software V500R001C20SPC100, V500R001C20SPC101, V500R001C20SPC200; Secospace USG6500 with software V500R001C20SPC100, V500R001C20SPC101, V500R001C20SPC200; Secospace USG6600 with software V500R001C20SPC100, V500R001C20SPC101, V500R001C20SPC200 allows authenticated attackers to setup a specific security policy into the devices, causing a buffer overflow and crashing the system.
http://www.securityfocus.com/bid/94538
http://www.huawei.com/en/psirt/security-advisories/huawei-sa-20161125-01-usg-en