There is a denial of service vulnerability in CV81-WDM FW versions 01.70.49.29.46. Successful exploitation could cause denial of service.
https://therecord.media/huawei-zero-day-behind-last-year-luxembourg-telecom-outage
https://www.huawei.com/en/psirt/security-advisories/huawei-sa-20220601-01-f75b152f-en