CVE:CVE-2021-1309
CNNVD:CNNVD-202104-441
Cisco Link Layer Discovery Protocol是美国思科（Cisco）公司的一个路由器。
Link Layer Discovery Protocol 存在缓冲区错误漏洞，未经身份验证的相邻攻击者可利用该漏洞可以执行任意代码。
solution:Upgrade cisco rv132w_firmware to a higher version than 1.0.0.14,1.0.1.14,1.0.1.20,and avoid the version 1.0.0.14,1.0.1.14,1.0.1.20; Upgrade cisco rv134w_firmware to a higher version than 1.0.0.14,1.0.1.14,1.0.1.20,and avoid the version 1.0.0.14,1.0.1.14,1.0.1.20; Upgrade cisco rv160_firmware to a higher version than 1.0.0.14,1.0.1.14,1.0.1.20,and avoid the version 1.0.0.14,1.0.1.14,1.0.1.20; Upgrade cisco rv160w_firmware to a higher version than 1.0.0.14,1.0.1.14,1.0.1.20,and avoid the version 1.0.0.14,1.0.1.14,1.0.1.20; Upgrade cisco rv260_firmware to a higher version than 1.0.0.14,1.0.1.14,1.0.1.20,and avoid the version 1.0.0.14,1.0.1.14,1.0.1.20; Upgrade cisco rv260p_firmware to a higher version than 1.0.0.14,1.0.1.14,1.0.1.20,and avoid the version 1.0.0.14,1.0.1.14,1.0.1.20; Upgrade cisco rv260w_firmware to a higher version than 1.0.0.14,1.0.1.14,1.0.1.20,and avoid the version 1.0.0.14,1.0.1.14,1.0.1.20; Upgrade cisco rv340_firmware to a higher version than 1.0.0.14,1.0.1.14,1.0.1.20,and avoid the version 1.0.0.14,1.0.1.14,1.0.1.20; Upgrade cisco rv340w_firmware to a higher version than 1.0.0.14,1.0.1.14,1.0.1.20,and avoid the version 1.0.0.14,1.0.1.14,1.0.1.20; Upgrade cisco rv345_firmware to a higher version than 1.0.0.14,1.0.1.14,1.0.1.20,and avoid the version 1.0.0.14,1.0.1.14,1.0.1.20; Upgrade cisco rv345p_firmware to a higher version than 1.0.0.14,1.0.1.14,1.0.1.20,and avoid the version 1.0.0.14,1.0.1.14,1.0.1.20