Cross-site script inclusion vulnerability in the Web GUI of RTX830 Rev.15.02.17 and earlier, NVR510 Rev.15.01.18 and earlier, NVR700W Rev.15.00.19 and earlier, and RTX1210 Rev.14.01.38 and earlier allows a remote authenticated attacker to alter the settings of the product via a specially crafted web page.

Cross-site script inclusion vulnerability in the Web GUI of RTX830 Rev.15.02.17 and earlier, NVR510 Rev.15.01.18 and earlier, NVR700W Rev.15.00.19 and earlier, and RTX1210 Rev.14.01.38 and earlier allows a remote authenticated attacker to alter the settings of the product via a specially crafted web page.

Multiple routers provided by Yamaha Corporation contain multiple vulnerabilities listed below. * Cross-site script inclusion (CWE-829) - CVE-2021-20843 * Improper neutralization of HTTP request headers for scripting syntax (CWE-644) - CVE-2021-20844 Shoji Baba of IERAE SECURITY INC. reported these vulnerabilities to JPCERT/CC. JPCERT/CC coordinated with the developer.