There is a use of insufficiently random values vulnerability in Huawei ViewPoint products. An unauthenticated, remote attacker can guess information by a large number of attempts. Successful exploitation may cause information leak.
https://euvd.enisa.europa.eu/vulnerability/EUVD-2019-14837
http://www.huawei.com/en/psirt/security-advisories/huawei-sa-20191120-01-viewpoint-en