3Com Baseline Switch 2848-SFP Plus Model #3C16486 with firmware before 1.0.2.0 allows remote attackers to cause a denial of service (unstable operation) via long DHCP packets.
TippingPoint Intrusion Prevention System (IPS) TOS before 2.1.4.6324, and TOS 2.2.x before 2.2.1.6506, allow remote attackers to cause a denial of service (CPU consumption) via an unknown vector, probably involving an HTTP request with a negative number in the Content-Length header.
Buffer overflow in the FTP service in 3Com 3CDaemon 2.0 revision 10 allows remote attackers to cause a denial of service (application crash) and execute arbitrary code via (1) a long username in the USER command or (2) an FTP command that contains a long argument, such as cd, send, or ls.
TFTP in 3Com 3CDaemon 2.0 revision 10 allows remote attackers to cause a denial of service (application crash) via a GET request containing an MS-DOS device name.
Unspecified vulnerability in 3Com OfficeConnect ADSL 11g Router allows remote attackers to cause a denial of service (crash) via a large amount of UDP traffic.
Buffer overflow in web server of 3com HomeConnect Cable Modem External with USB (#3CR29223) allows remote attackers to cause a denial of service (crash) via a long HTTP request.
3Com HiPer Access Router Card (HiperARC) 4.0 through 4.2.29 allows remote attackers to cause a denial of service (reboot) via a flood of IAC packets to the telnet port.
Buffer overflow in 3Com OfficeConnect Remote 812 ADSL Router 1.1.9.4 allows remote attackers to cause a denial of service (reboot or packet loss) via a long string containing Telnet escape characters to the Telnet port.
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.
TippingPoint IPS running the TippingPoint Operating System (TOS) before 2.2.4.6519 allows remote attackers to "force the device into layer 2 fallback (L2FB)", causing a denial of service (page fault), via a malformed packet.
3com NBX IP VOIP NetSet Configuration Manager allows remote attackers to cause a denial of service (crash) via a Nessus scan in safeChecks mode.
The 3Com IntelliJack Switch NJ220 before 2.0.23 allows remote attackers to cause a denial of service (reboot and reporting outage) via a loopback packet with zero in the length field.