CVE:CVE-2018-20388
CNNVD:CNNVD-201812-1046
Comtrend CM-6200un和CM-6300n都是康全电讯（Comtrend）公司的电缆调制解调器产品。
Comtrend CM-6200un 123.447.007版本和CM-6300n 123.553mp1.005版本中存在安全漏洞。远程攻击者可通过发送SNMP请求利用该漏洞获取凭证。
solution:Upgrade comtrend cm-6200un_firmware to a higher version than 123.447.007,and avoid the version 123.447.007; Upgrade comtrend cm-6300n_firmware to a higher version than 123.553mp1.005,and avoid the version 123.553mp1.005