CVE:CVE-2021-22377
CNNVD:CNNVD-202106-343
Huawei S12700等都是中国华为（Huawei）公司的一款企业级交换机产品。
华为多款产品存在输入验证错误漏洞，该漏洞源于某模块没有充分校验特定输入。攻击者发送恶意参数可注入命令行，影响正常功能。
solution:Upgrade huawei s12700_firmware to a higher version than v200r019c00spc500,and avoid the version v200r019c00spc500; Upgrade huawei s2700_firmware to a higher version than v200r019c00spc500,and avoid the version v200r019c00spc500; Upgrade huawei s5700_firmware to a higher version than v200r019c00spc500,and avoid the version v200r019c00spc500; Upgrade huawei s6700_firmware to a higher version than v200r019c00spc500,and avoid the version v200r019c00spc500; Upgrade huawei s7700_firmware to a higher version than v200r019c00spc500,and avoid the version v200r019c00spc500