A vulnerability classified as critical has been found in Netentsec NS-ASG Application Security Gateway 6.3. This affects an unknown part of the file /protocol/iscgwtunnel/deleteiscgwrouteconf.php. The manipulation of the argument messagecontent leads to sql injection. It is possible to initiate the attack remotely. The exploit has been disclosed to the public and may be used. The associated identifier of this vulnerability is VDB-268695. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.