CVE:CVE-2018-10734
CNNVD:CNNVD-201805-227
KONGTOP DVR A303等都是中国康拓（KONGTOP）实业公司的不同型号的网络硬盘录像机设备。
多款KONGTOP DVR产品中存在安全漏洞，该漏洞源于Telnetd文件中存在一个后门。攻击者可借助‘Print_Password’函数的调用利用该漏洞获取信息。以下产品受到影响：KONGTOP DVR A303；KONGTOP DVR A403；KONGTOP DVR D303；KONGTOP DVR D305；KONGTOP DVR D403。
solution:Upgrade kongtop d303_firmware to a higher version than -; Upgrade kongtop d305_firmware to a higher version than -; Upgrade kongtop d403_firmware to a higher version than -; Upgrade kongtop a303_firmware to a higher version than -; Upgrade kongtop a403_firmware to a higher version than -