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High severity7.7NVD Advisory· Published Nov 27, 2018· Updated Jun 17, 2026

CVE-2018-0721

CVE-2018-0721

Description

Buffer Overflow vulnerability in NAS devices. QTS allows attackers to run arbitrary code. This issue affects: QNAP Systems Inc. QTS version 4.2.6 and prior versions on build 20180711; version 4.3.3 and prior versions on build 20180725; version 4.3.4 and prior versions on build 20180710.

AI Insight

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

Affected products

5
  • Qnap/Qts3 versions
    cpe:2.3:o:qnap:qts:4.2.6:*:*:*:*:*:*:*+ 2 more
    • cpe:2.3:o:qnap:qts:4.2.6:*:*:*:*:*:*:*
    • cpe:2.3:o:qnap:qts:4.3.3:*:*:*:*:*:*:*
    • cpe:2.3:o:qnap:qts:4.3.4:*:*:*:*:*:*:*
  • QNAP Systems Inc./QTSllm-fuzzy
    Range: <=4.2.6 (build 20180711), <=4.3.3 (build 20180725), <=4.3.4 (build 20180710)
  • QNAP Systems Inc./QTSv5
    Range: unspecified

Patches

Vulnerability mechanics

References

1

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