CVE:CVE-2020-3358
CNNVD:CNNVD-202007-1086
Cisco Small Business RV340是美国思科（Cisco）公司的一个路由器。连接两个或多个网络的硬件设备，在网络间起网关的作用。
多款Cisco产品中的安全套接字层（SSL）VPN功能存在输入验证错误漏洞，该漏洞源于程序没有充分验证HTTP请求。远程攻击者可借助特制请求利用该漏洞导致设备重启（拒绝服务）。以下产品及版本受到影响：Cisco RV340 Dual WAN Gigabit VPN Router；RV340W Dual WAN Gigabit Wireless-AC VPN Router；RV345 Dual WAN Gigabit VPN Router；RV345P Dual WAN Gigabit POE VPN Router。
solution:Upgrade cisco rv340_dual_wan_gigabit_vpn_router_firmware to a higher version than 1.0.03.18,and avoid the version (,1.0.03.18); Upgrade cisco rv340w_dual_wan_gigabit_wireless-ac_vpn_router_firmware to a higher version than 1.0.03.18,and avoid the version (,1.0.03.18); Upgrade cisco rv345_dual_wan_gigabit_vpn_router_firmware to a higher version than 1.0.03.18,and avoid the version (,1.0.03.18); Upgrade cisco rv345p_dual_wan_gigabit_poe_vpn_router_firmware to a higher version than 1.0.03.18,and avoid the version (,1.0.03.18)