CVE:CVE-2021-21726
CNNVD:CNNVD-202103-892
ZTE zxone等都是中国中兴通讯（ZTE）公司的产品。zxone是一系列面向100G和超100G的全新统一交换OTN设备。ZTE ZXONE 8700是一个OTN交叉设备。ZTE9 ZTE ZXONE 9700等都是中国中兴（ZTE9）公司的产品。ZTE ZXONE 9700是一个城域网产品。
ZTE 多款产品存在输入验证错误漏洞，该漏洞源于对用户输入的某些参数验证不充分，攻击者可利用该漏洞可以通过反复输入非法参数导致进程异常。以下产品和版本受到影响：ZXONE 9700 , ZXONE 8700, ZXONE 19700的V1.40.021.021CP049, V1.0P02B219_@NCPM-RELEASE_2.40R1-20200914.set。
solution:Upgrade zte zxone_9700_firmware to a higher version than 1.40.021.021cp049,and avoid the version 1.40.021.021cp049; Upgrade zte zxone_8700_firmware to a higher version than 1.40.021.021cp049,and avoid the version 1.40.021.021cp049; Upgrade zte zxone_19700_firmware to a higher version than 1.0p02b219_@ncpm-release_2.40r1-20200914.set,and avoid the version 1.0p02b219_@ncpm-release_2.40r1-20200914.set