Home/CVE/Buffer Overflow vulnerability in NAS devices. QTS allows attackers to run arbitrary code. This issue affects: QNAP Syste
CVE

CVE-2018-0721

Buffer Overflow vulnerability in NAS devices. QTS allows attackers to run arbitrary code. This issue affects: QNAP Syste

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.

HIGH · CVSS 7.7 EPSS 0.01264
Schedule remediation
  • CVSS base score ≥ 7.0
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-119Improper Restriction of Operations within the Bounds of a Memory Buffer
CWE-120Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')
▤

Affected Products & Versions

1
qnap qtsall versions
▣

Scoring & Timeline

7.7
HIGH · CVSS v3.1 · security@qnapsecurity.com.tw
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD27 Nov 2018 · 11:29 PM
CVSS VectorCVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:L/I:H/A:L
🔗

References & Sources

1
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://www.qnap.com/zh-tw/security-advisory/nas-201809-20Vendor Advisory
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