A ZTE Smart STB is impacted by an information leak vulnerability. The device did not fully verify the log, so attackers could use this vulnerability to obtain sensitive user information for further information detection and attacks. This affects: ZXV10 B860A V2.1-T_V0032.1.1.04_jiangsuTelecom.
http://support.zte.com.cn/support/news/LoopholeInfoDetail.aspx?newsId=1014324
http://support.zte.com.cn/support/news/LoopholeInfoDetail.aspx?newsId=1014324
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-21722