QNAP QTS: CVE-2021-34343: Stack Buffer Overflow Vulnerabilities in QTS, QuTS hero, and QuTScloud

Two stack buffer overflow vulnerabilities have been reported to affect QNAP devices running QTS, QuTS hero, and QuTScloud. If exploited, these vulnerabilities allow attackers to execute arbitrary code. We have already fixed these vulnerabilities in the following versions: QTS 5.0.0.1716 build 20210701 and later QTS 4.5.4.1715 build 20210630 and later QTS 4.3.6.1750 build 20210730 and later QTS 4.3.3.1693 build 20210624 and later QuTS hero h4.5.4.1771 build 20210825 and later QuTScloud c4.5.6.1755 and later