The Opium OPI Server versions 4.10.1028 and below along with a large amount of cyanPrintIP products suffer from a format string vulnerability in ReportSysLogEvent as well as a server crash flaw.
You can download this advisory from the following link: https://packetstormsecurity.com/files/download/63490/cyanuro.txt
Source: https://packetstormsecurity.com/files/63490/cyanuro.txt.html