CGI handling flaw in bozohttpd in NetBSD 6.0 through 6.0.6, 6.1 through 6.1.5, and 7.0 allows remote attackers to execute arbitrary code via crafted arguments, which are handled by a non-CGI aware program.
http://www.securitytracker.com/id/1035673
http://ftp.netbsd.org/pub/NetBSD/security/advisories/NetBSD-SA2016-005.txt.asc