CVE:CVE-2019-9677
CNNVD:CNNVD-201909-860
Dahua IPC-HDW1X2X等都是中国大华（Dahua）公司的一款网络摄像机。
多款Dahua产品中存在缓冲区错误漏洞。该漏洞源于网络系统或产品在内存上执行操作时，未正确验证数据边界，导致向关联的其他内存位置上执行了错误的读写操作。攻击者可利用该漏洞导致缓冲区溢出或堆溢出等。以下产品及版本受到影响：Dahua IPC-HDW1X2X 2019-8-18之前版本；IPC-HFW1X2X 2019-8-18之前版本；IPC-HDW2X2X 2019-8-18之前版本；IPC-HFW2X2X 2019-8-18之前版本；IPC-HDW4X2X 2019-8-18之前版本；IPC-HFW4X2X 2019-8-18之前版本；IPC-HDBW4X2X 2019-8-18之前版本；IPC-HDW5X2X 2019-8-18之前版本；IPC-HFW5X2X 2019-8-18之前版本。
solution:Upgrade dahuasecurity ipc-hdw1x2x_firmware to a higher version than 2019-08-18,and avoid the version (,2019-08-18); Upgrade dahuasecurity ipc-hfw1x2x_firmware to a higher version than 2019-08-18,and avoid the version (,2019-08-18); Upgrade dahuasecurity ipc-hdw2x2x_firmware to a higher version than 2019-08-18,and avoid the version (,2019-08-18); Upgrade dahuasecurity ipc-hfw2x2x_firmware to a higher version than 2019-08-18,and avoid the version (,2019-08-18); Upgrade dahuasecurity ipc-hdw4x2x_firmware to a higher version than 2019-08-18,and avoid the version (,2019-08-18); Upgrade dahuasecurity ipc-hfw4x2x_firmware to a higher version than 2019-08-18,and avoid the version (,2019-08-18); Upgrade dahuasecurity ipc-hdbw4x2x_firmware to a higher version than 2019-08-18,and avoid the version (,2019-08-18); Upgrade dahuasecurity ipc-hdw5x2x_firmware to a higher version than 2019-08-18,and avoid the version (,2019-08-18); Upgrade dahuasecurity ipc-hfw5x2x_firmware to a higher version than 2019-08-18,and avoid the version (,2019-08-18)