Format string vulnerability in VShell SSH gateway 1.0.1 and earlier allows remote attackers to execute arbitrary commands via a user name that contains format string specifiers.
SecureCRT 4.0, 4.1, and possibly other versions, allows remote attackers to execute arbitrary commands via a telnet:// URL that uses the /F option to specify a configuration file on a samba share.
Buffer overflow in Van Dyke SecureCRT SSH client before 3.4.6, and 4.x before 4.0 beta 3, allows an SSH server to execute arbitrary code via a long SSH1 protocol version string.