Cross-site request forgery (CSRF) vulnerability in the web management interface in httpd/cgi-bin/shutdown.cgi in Smoothwall Express 3.1 and 3.0 SP3 and earlier allows remote attackers to hijack the authentication of administrators for requests that perform a reboot via a request to cgi-bin/shutdown.cgi.
https://exchange.xforce.ibmcloud.com/vulnerabilities/99403
https://euvd.enisa.europa.eu/vulnerability/EUVD-2011-5183