CVE-2016-6159
The management interface of Huawei WS331a routers with software before WS331a-10 V100R001C01B112 allows remote attackers to bypass authentication and obtain administrative access by sending "special packages" to the LAN interface.
Date published : 2016-09-21
http://www.huawei.com/en/psirt/security-advisories/huawei-sa-20160907-01-ws331a-en