A vulnerability, which was classified as problematic, was found in Thomson TCW710 ST5D.10.05. Affected is an unknown function of the file /goform/RGFirewallEL. The manipulation of the argument EmailAddress/SmtpServerName with the input ><script>alert(1)</script> as part of POST Request leads to cross site scripting (Persistent). It is possible to launch the attack remotely. The exploit has been disclosed to the public and may be used.