Some Huawei products have a memory leak vulnerability when handling some messages. A remote attacker with operation privilege could exploit the vulnerability by sending specific messages continuously. Successful exploit may cause some service to be abnormal.
https://euvd.enisa.europa.eu/vulnerability/EUVD-2019-14898
http://www.huawei.com/en/psirt/security-advisories/huawei-sa-20191023-01-memory-en