There is a buffer overflow vulnerability in eSE620X vESS V100R001C10SPC200 and V100R001C20SPC200. An attacker can exploit this vulnerability by sending a specific message to the target device due to insufficient validation of packets. Successful exploit could cause a denial of service condition.
https://www.huawei.com/en/psirt/security-advisories/huawei-sa-20211201-01-buffer-en