CVE:CVE-2022-2471
CNNVD:CNNVD-202209-1111
EZVIZ CS-C6N-A0-1C2WFR等都是中国萤石（EZVIZ）公司的产品。EZVIZ CS-C6N-A0-1C2WFR是一款安全摄像机。EZVIZ CS-CV248是一款安全摄像机。EZVIZ CS-DB1C-A0-1E2W2FR是一款功能强大的可视门铃。
EZVIZ CS-CV248、CS-C6N-A0-1C2WFR、CS-DB1C-A0-1E2W2FR、CS-C6N-B0-1G2WF、CS-C3W-A0等存在安全漏洞，该漏洞源于Motion Detection组件中基于堆栈的缓冲区溢出，攻击者利用该漏洞可以在设备上执行远程代码。
solution:Upgrade ezviz cs-c6n-a0-1c2wfr_firmware to a higher version than 5.3.0:build201719,and avoid the version 5.3.0:build201719; Upgrade ezviz cs-db1c-a0-1e2w2fr_firmware to a higher version than 5.3.0:build211208,and avoid the version 5.3.0:build211208; Upgrade ezviz cs-c6n-b0-1g2wf_firmware to a higher version than 5.3.0:build210731,and avoid the version 5.3.0:build210731; Upgrade ezviz cs-c3w-a0-3h4wfrl_firmware to a higher version than 5.3.5:build220120,and avoid the version 5.3.5:build220120; Upgrade ezviz cs-cv248_firmware to a higher version than 5.2.1:build180403,and avoid the version 5.2.1:build180403