Secunia Security Advisory – A security issue has been reported in multiple QNAP devices, which can be exploited by malicious, local users to bypass certain security restrictions.
You can download this advisory from the following link: https://packetstormsecurity.com/files/download/81500/sa36793.txt
Source: https://packetstormsecurity.com/files/81500/Secunia-Security-Advisory-36793.html