CVE:CVE-2018-7920
CNNVD:CNNVD-201804-1120
Huawei AR1200等都是中国华为（Huawei）公司的企业级路由器设备。
多款Huawei产品中存在资源管理错误漏洞，该漏洞源于ACL机制实现不当。远程攻击者可通过向管理接口发送TCP请求利用该漏洞造成拒绝服务（管理接口的socket资源耗尽）。以下产品和版本受到影响：Huawei AR1200 V200R006C10SPC300版本；AR160 V200R006C10SPC300版本；AR200 V200R006C10SPC300版本；AR2200 V200R006C10SPC300版本；AR3200 V200R006C10SPC300版本。
solution:Upgrade huawei ar1200_firmware to a higher version than v200r006c10spc300,and avoid the version v200r006c10spc300; Upgrade huawei ar160_firmware to a higher version than v200r006c10spc300,and avoid the version v200r006c10spc300; Upgrade huawei ar200_firmware to a higher version than v200r006c10spc300,and avoid the version v200r006c10spc300; Upgrade huawei ar2200_firmware to a higher version than v200r006c10spc300,and avoid the version v200r006c10spc300; Upgrade huawei ar3200_firmware to a higher version than v200r006c10spc300,and avoid the version v200r006c10spc300