3COM OfficeConnect 812 and 840 ADSL Router < 1.1.9 - Denial of Service via Format String Attack
3COM OfficeConnect 812 and 840 ADSL Router 4.2, running OCR812 router software 1.1.9 and earlier, allows remote attackers to cause a denial of service via a long string containing a large number of "%s" strings, possibly triggering a format string vulnerability.