Multiple buffer overflows in EvolutionX 3921 and 3935 allow remote attackers to cause a denial of service (hang) via (1) a long cd command to the FTP server, or (2) a long dir command to the telnet server.
https://exchange.xforce.ibmcloud.com/vulnerabilities/15104
http://marc.info/?l=bugtraq&m=107643394724891&w=2
http://lists.grok.org.uk/pipermail/full-disclosure/2004-February/016988.html