Description
A stack buffer overflow vulnerability has been reported to affect QNAP device running QVR Elite, QVR Pro, QVR Guard. If exploited, this vulnerability allows attackers to execute arbitrary code. We have already fixed this vulnerability in the following versions of QVR Elite, QVR Pro, QVR Guard: QuTS hero h5.0.0: QVR Elite 2.1.4.0 (2021/12/06) and later QuTS hero h4.5.4: QVR Elite 2.1.4.0 (2021/12/06) and later QTS 5.0.0: QVR Elite 2.1.4.0 (2021/12/06) and later QTS 4.5.4: QVR Elite 2.1.4.0 (2021/12/06) and later QTS 4.5.4: QVR Pro 2.1.3.0 (2021/12/06) and later QTS 5.0.0: QVR Pro 2.1.3.0 (2021/12/06) and later QTS 4.5.4: QVR Guard 2.1.3.0 (2021/12/06) and later QTS 5.0.0: QVR Guard 2.1.3.0 (2021/12/06) and later
References (1)
Core 1
Core References
Vendor Advisory x_refsource_misc
https://www.qnap.com/en/security-advisory/qsa-21-59
Scores
CVSS v3
8.1
EPSS
0.0121
EPSS Percentile
79.1%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Details
CWE
CWE-120
CWE-787
Status
published
Products (3)
qnap/qvr_elite
< 2.1.4.0
qnap/qvr_guard
< 2.1.3.0
qnap/qvr_pro
< 2.1.3.0
Published
Jan 14, 2022
Tracked Since
Feb 18, 2026