Buffer overflow in 3Cdaemon 2.0 FTP server allows remote attackers to cause a denial of service (crash) and possibly execute arbitrary code via long commands such as login.

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.

Multiple format string vulnerabilities in the FTP service in 3Com 3CDaemon 2.0 revision 10 allow remote attackers to cause a denial of service (application crash) via format string specifiers in (1) the username, (2) cd, (3) delete, (4) rename, (5) rmdir, (6) literal, (7) stat, or (8) CWD commands.

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.

The FTP service in 3Com 3CDaemon 2.0 revision 10 allows remote attackers to gain sensitive information via a cd command that contains an MS-DOS device name, which reveals the installation path in an error message.