CVE:CVE-2020-5548
CNNVD:CNNVD-202003-1751
Yamaha NVR500等都是日本雅马哈（Yamaha）公司的产品。Yamaha NVR500是一款企业级路由器。Yamaha RTX810是一款千兆VPN（虚拟私人网络）路由器。Yamaha FWX120是一款防火墙产品。
多款Yamaha产品中存在拒绝服务漏洞。远程攻击者可利用该漏洞造成拒绝服务。以下产品及版本受到影响：使用Rev.11.00.38及之前版本固件的NVR500；使用Rev.11.01.33及之前版本固件的RTX810；使用Rev.11.03.27及之前版本固件的FWX120；使用Rev.15.01.14及之前版本固件的NVR510；使用Rev.15.00.15及之前版本固件的NVR700W；使用Rev.10.01.76及之前版本固件的RTX1200；使用Rev.14.01.33及之前版本固件的RTX1210；使用Rev.14.00.26及之前版本固件的RTX3500；使用Rev.14.00.26及之前版本固件的RTX5000；使用Rev.15.02.09及之前版本固件的RTX830。
solution:Upgrade yamaha rtx830_firmware to a higher version than 15.02.09,and avoid the version (,15.02.09]; Upgrade yamaha nvr510_firmware to a higher version than 15.01.14,and avoid the version (,15.01.14]; Upgrade yamaha nvr700w_firmware to a higher version than 15.00.15,and avoid the version (,15.00.15]; Upgrade yamaha rtx1210_firmware to a higher version than 14.01.33,and avoid the version (,14.01.33]; Upgrade yamaha rtx5000_firmware to a higher version than 14.00.26,and avoid the version (,14.00.26]; Upgrade yamaha rtx3500_firmware to a higher version than 14.00.26,and avoid the version (,14.00.26]; Upgrade yamaha fwx120_firmware to a higher version than 11.03.27,and avoid the version (,11.03.27]; Upgrade yamaha rtx810_firmware to a higher version than 11.01.33,and avoid the version (,11.01.33]; Upgrade yamaha nvr500_firmware to a higher version than 11.00.38,and avoid the version (,11.00.38]; Upgrade yamaha rtx1200_firmware to a higher version than 10.01.76,and avoid the version (,10.01.76]