CVE-2017-17029
CriticalSummary
A buffer overflow vulnerability in the login function in QNAP QTS affects versions 4.2.6 build 20171026, 4.3.3.0378 build 20171117, 4.3.4.0387 (Beta 2) build 20171116 and earlier. This could allow remote attackers to execute arbitrary code on NAS devices.
Risk Assessment
This vulnerability poses a serious security risk to NAS devices, allowing unauthorized users to execute code remotely.
Recommendation
It is recommended to update QNAP QTS to the latest version to mitigate this vulnerability and to monitor systems for unauthorized login attempts.
Original NVD description (English source)
A buffer overflow vulnerability in login function in QNAP QTS version 4.2.6 build 20171026, 4.3.3.0378 build 20171117, 4.3.4.0387 (Beta 2) build 20171116 and earlier could allow remote attackers to execute arbitrary code on NAS devices.

