CVE-2016-6670
Huawei S7700, S9300, S9700, and S12700 devices with software before V200R008C00SPC500 use random numbers with insufficient entropy to generate self-signed certificates, which makes it easier for remote attackers to discover private keys by leveraging knowledge of a certificate.
Date published : 2016-09-07
http://www.securityfocus.com/bid/92438
http://www.huawei.com/en/psirt/security-advisories/huawei-sa-20160810-01-certificate-en