Huawei U2990 and U2980 have a DoS vulnerability caused by no error correction mechanism when handling specific signaling packets. An attacker can send malformed packets to cause a denial of service condition in some services of the U2990 and U2980. (Vulnerability ID: HWPSIRT-2015-09025)
This vulnerability has been assigned Common Vulnerabilities and Exposures (CVE) ID: CVE-2015-8229.
Huawei has released software updates to fix these vulnerabilities. This advisory is available at the following link: http://www.huawei.com/en/security/psirt/security-bulletins/security-advisories/hw-461219.htm