xsup_set_pwd(1)
Set/change password used by xsupplicant.
xsup_set_pwd -i interface
xsup_set_pwd is an interactive utility that can be used to change the password used by a running instance of xsupplicant.
xsup_set_pwd
2 releases since Debian 3.1 (Sarge); the text changed 1 time.