A vulnerability, which was classified as problematic, has been found in Claro A7600-A1 RNR4-A72T-2x16_v2110403_CLA_32_160817. Affected by this issue is some unknown functionality of the file /form2pingv6.cgi of the component Ping6 Diagnóstico. The manipulation of the argument ip6addr with the input <img/src/onerror=prompt(8)> leads to cross site scripting. The attack may be launched remotely. The exploit has been disclosed to the public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.