Multiple cross-site scripting (XSS) vulnerabilities in ZTE ZXDSL 831 allow remote attackers to inject arbitrary web script or HTML via the (1) tr69cAcsURL, (2) tr69cAcsUser, (3) tr69cAcsPwd, (4) tr69cConnReqPwd, or (5) tr69cDebugEnable parameter to the TR-069 client page (tr69cfg.cgi); the (6) timezone parameter to the Time and date page (sntpcfg.sntp); or the (7) hostname parameter in a save action to the Quick Stats page (psilan.cgi).  NOTE: this issue was SPLIT from CVE-2014-9020 per ADT1 due to different affected products and codebases.