Description
A stack buffer overflow vulnerability has been reported to affect QNAP device running QTS, QuTScloud, QuTS hero. If exploited, this vulnerability allows attackers to execute arbitrary code. We have already fixed this vulnerability in the following versions of QTS, QuTScloud, QuTS hero: QTS 4.5.4.1715 build 20210630 and later QTS 5.0.0.1716 build 20210701 and later QTS 4.3.3.1693 build 20210624 and later QTS 4.3.6.1750 build 20210730 and later QuTScloud c4.5.6.1755 and later QuTS hero h4.5.4.1771 build 20210825 and later
References (1)
Core 1
Core References
Vendor Advisory x_refsource_misc
https://www.qnap.com/en/security-advisory/qsa-21-33
Scores
CVSS v3
7.6
EPSS
0.0117
EPSS Percentile
78.9%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:H
Details
CWE
CWE-787
Status
published
Products (3)
qnap/qts
< 4.3.3.1693
qnap/quts_hero
< h4.5.4.1771
qnap/qutscloud
< c4.5.6.1755
Published
Sep 10, 2021
Tracked Since
Feb 18, 2026