Buffer overflow in cli32 in Areca CLI 1.72.250 and earlier might allow local users to gain privileges via a long argument. NOTE: this program is not setuid by default, but there are some usage scenarios in which an administrator might make it setuid.
https://exchange.xforce.ibmcloud.com/vulnerabilities/35546
http://www.securityfocus.com/archive/1/474415/100/0/threaded
http://www.devtarget.org/areca-advisory-07-2007.txt