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High severity8.1NVD Advisory· Published Jan 14, 2022· Updated Jun 17, 2026

CVE-2021-38682

CVE-2021-38682

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 and later QTS 5.0.0: QVR Guard 2.1.3.0 and later

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

9
  • Qnap/Qvr Elite2 versions
    cpe:2.3:a:qnap:qvr_elite:*:*:*:*:*:*:*:*+ 1 more
    • cpe:2.3:a:qnap:qvr_elite:*:*:*:*:*:*:*:*range: <2.1.4.0
    • (no CPE)range: 2.1.4.0 (2021/12/06) and later
  • Qnap/Qvr Guard2 versions
    cpe:2.3:a:qnap:qvr_guard:*:*:*:*:*:*:*:*+ 1 more
    • cpe:2.3:a:qnap:qvr_guard:*:*:*:*:*:*:*:*range: <2.1.3.0
    • (no CPE)range: 2.1.3.0 and later
  • Qnap/Qvr Pro2 versions
    cpe:2.3:a:qnap:qvr_pro:*:*:*:*:*:*:*:*+ 1 more
    • cpe:2.3:a:qnap:qvr_pro:*:*:*:*:*:*:*:*range: <2.1.3.0
    • (no CPE)range: 2.1.3.0 (2021/12/06) and later
  • QNAP Systems Inc./QVR Elitev5
    Range: unspecified
  • QNAP Systems Inc./QVR Guardv5
    Range: unspecified
  • QNAP Systems Inc./QVR Prov5
    Range: unspecified

Patches

Vulnerability mechanics

References

1

News mentions

0

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