CVE:CVE-2021-40042
CNNVD:CNNVD-202201-1777
Huawei CloudEngine 12800等都是中国华为（Huawei）公司的产品。Huawei CloudEngine 12800是一款12800系列数据中心交换机。Huawei Cloudengine 5800是一款5800系列数据中心交换机。Huawei Cloudengine 6800是一款6800系列数据中心交换机。
Huawei 多款产品存在缓冲区错误漏洞，该漏洞源于消息中的某些参数验证不足，成功利用漏洞可能会导致进程和服务异常。以下产品和版本受到影响：Huawei CloudEngine 12800,Huawei Cloudengine 5800,Huawei Cloudengine 6800,Huawei Cloudengine 7800。
solution:Upgrade huawei cloudengine_12800_firmware to a higher version than v200r019c10spc800,v200r019c10spc900,and avoid the version v200r019c10spc800,v200r019c10spc900; Upgrade huawei cloudengine_5800_firmware to a higher version than v200r019c10spc800,v200r020c00spc600,and avoid the version v200r019c10spc800,v200r020c00spc600; Upgrade huawei cloudengine_6800_firmware to a higher version than v200r019c10spc800,v200r019c10spc900,v200r020c00spc600,v300r020c00spc200,and avoid the version v200r019c10spc800,v200r019c10spc900,v200r020c00spc600,v300r020c00spc200; Upgrade huawei cloudengine_7800_firmware to a higher version than v200r019c10spc800,and avoid the version v200r019c10spc800