QNAP QTS before 4.2.6 build 20170517 has a flaw in the change password function.
https://www.qnap.com/en-us/releasenotes/
Source: Mitre, NVD
Published: 2017-06-15
Updated: 2017-06-22
Base Score: 5
Vector: CVSS2#AV:N/AC:L/Au:N/C:N/I:P/A:N
Severity: Medium
Base Score: 7.5
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
Severity: High