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Critical severity9.8NVD Advisory· Published Sep 10, 2021· Updated Jun 17, 2026

CVE-2021-34344

CVE-2021-34344

Description

A stack buffer overflow vulnerability has been reported to affect QNAP device running QUSBCam2. If exploited, this vulnerability allows attackers to execute arbitrary code. We have already fixed this vulnerability in the following versions of QUSBCam2: QTS 4.5.4: QUSBCam2 1.1.4 ( 2021/07/30 ) and later QTS 5.0: QUSBCam2 2.0.1 ( 2021/08/03 ) and later QTS 4.3.6: QUSBCam2 1.1.4 ( 2021/07/30 ) and later QTS 4.3.3: QUSBCam2 1.1.4 ( 2021/08/06 ) and later QuTS hero 4.5.3: QUSBCam2 1.1.4 ( 2021/07/30 ) and later

AI Insight

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

Affected products

3
  • Qnap/QUSBCam22 versions
    cpe:2.3:a:qnap:qusbcam2:*:*:*:*:*:*:*:*+ 1 more
    • cpe:2.3:a:qnap:qusbcam2:*:*:*:*:*:*:*:*range: <1.1.4
    • (no CPE)range: QTS 4.5.4: QUSBCam2 1.1.4 ( 2021/07/30 ) and later; QTS 5.0: QUSBCam2 2.0.1 ( 2021/08/03 ) and later; QTS 4.3.6: QUSBCam2 1.1.4 ( 2021/07/30 ) and later; QTS 4.3.3: QUSBCam2 1.1.4 ( 2021/08/06 ) and later; QuTS hero 4.5.3: QUSBCam2 1.1.4 ( 2021/07/30 ) and later
  • QNAP Systems Inc./QUSBCam2v5
    Range: unspecified

Patches

Vulnerability mechanics

References

1

News mentions

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