CVE:CVE-2019-9682
CNNVD:CNNVD-202005-720
Dahua SD6AL Series等都是中国大华（Dahua）公司的产品。SD6AL Series是一款SD6AL系列网络摄像机。NVR 5x Series是一款5x系列的网络视频录像机。IPC-HX2XXX Series是一款IPC-HX2XXX系列网络摄像机。
多款Dahua产品（2019-12之前版本）中存在安全漏洞，该漏洞源于这些设备默认情况下使用安全性较强的登录模式，但为了兼容之前设备的登录，这些设备保留了安全性较弱的登录模式。攻击者可利用该漏洞监视设备网络，拦截网络数据包。以下产品及版本受到影响：Dahua IPC-HX2XXX Series；IPC-HXXX5X4X Series；IPC-HX5842H；IPC-HX7842H；NVR 5x Series；NVR 4x Series；SD6AL Series；SD5A Series；SD1A Series；PTZ1A Series；SD50/52C Series；IPC-HDBW1320E-W。
solution:Upgrade dahuasecurity sd6al_firmware to a higher version than 2019-12,and avoid the version (,2019-12); Upgrade dahuasecurity sd5a_firmware to a higher version than 2019-12,and avoid the version (,2019-12); Upgrade dahuasecurity sd1a_firmware to a higher version than 2019-12,and avoid the version (,2019-12); Upgrade dahuasecurity ptz1a_firmware to a higher version than 2019-12,and avoid the version (,2019-12); Upgrade dahuasecurity sd50_firmware to a higher version than 2019-12,and avoid the version (,2019-12); Upgrade dahuasecurity sd52c_firmware to a higher version than 2019-12,and avoid the version (,2019-12); Upgrade dahuasecurity ipc-hx5842h_firmware to a higher version than 2019-12,and avoid the version (,2019-12); Upgrade dahuasecurity ipc-hx7842h_firmware to a higher version than 2019-12,and avoid the version (,2019-12); Upgrade dahuasecurity ipc-hx2xxx_firmware to a higher version than 2019-12,and avoid the version (,2019-12); Upgrade dahuasecurity ipc-hxxx5x4x_firmware to a higher version than 2019-12,and avoid the version (,2019-12); Upgrade dahuasecurity n42b1p_firmware to a higher version than 2019-12,and avoid the version (,2019-12); Upgrade dahuasecurity n42b2p_firmware to a higher version than 2019-12,and avoid the version (,2019-12); Upgrade dahuasecurity n42b3p_firmware to a higher version than 2019-12,and avoid the version (,2019-12); Upgrade dahuasecurity n52a4p_firmware to a higher version than 2019-12,and avoid the version (,2019-12); Upgrade dahuasecurity n54a4p_firmware to a higher version than 2019-12,and avoid the version (,2019-12); Upgrade dahuasecurity n52b2p_firmware to a higher version than 2019-12,and avoid the version (,2019-12); Upgrade dahuasecurity n52b5p_firmware to a higher version than 2019-12,and avoid the version (,2019-12); Upgrade dahuasecurity n52b3p_firmware to a higher version than 2019-12,and avoid the version (,2019-12); Upgrade dahuasecurity n54b2p_firmware to a higher version than 2019-12,and avoid the version (,2019-12); Upgrade dahuasecurity ipc-hdbw1320e-w_firmware to a higher version than 2019-12,and avoid the version (,2019-12)