CVE:CVE-2015-2800
CNNVD:CNNVD-201504-531
华为Campus switches S5700等都是中国华为（Huawei）公司的交换机产品。user authentication module是一个用于用户登录认证的模块。
多款华为产品中的user authentication模块存在内存溢出漏洞。远程攻击者可利用该漏洞造成拒绝服务（设备重启）。以下产品和版本受到影响：华为Campus switches S5700 V200R001SPH012版本；Campus switches S5300 V200R001SPH012版本；Campus switches S6300 V200R001SPH012版本；Campus switches S6700 V200R001SPH012版本；Campus switches S7700 V200R001SPH012版本；Campus switches S9300 V200R001SPH012版本；Campus switches S9700 V200R001SPH012版本。
solution:Upgrade huawei s5700_firmware to a higher version than v200r001c00spc300,and avoid the version (,v200r001c00spc300]; Upgrade huawei s5300_firmware to a higher version than v200r001c00spc300,and avoid the version (,v200r001c00spc300]; Upgrade huawei s6300_firmware to a higher version than v200r001c00spc300,and avoid the version (,v200r001c00spc300]; Upgrade huawei s6700_firmware to a higher version than v200r001c00spc300,and avoid the version (,v200r001c00spc300]; Upgrade huawei s7700_firmware to a higher version than v200r001c00spc300,and avoid the version (,v200r001c00spc300]; Upgrade huawei s9300_firmware to a higher version than v200r001c00spc300,and avoid the version (,v200r001c00spc300]; Upgrade huawei s9700_firmware to a higher version than v200r001c00spc300,and avoid the version (,v200r001c00spc300]