iDEFENSE Security Advisory 05.26.04: Remote exploitation of a buffer overflow in firmware release 1.1.9.4 of 3Com's OfficeConnect Remote 812 ADSL Router could allow a denial of service. By sending a specially formed long string to the telnet port of a vulnerable device containing Telnet escape sequences, it is possible to get it to either reboot or stop handling packets. If the device does not reboot spontaneously, it will require a manual reboot before continuing normal operation.
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