Not a U.S. government website. NDD is an independent vulnerability database by Volerion and is not affiliated with or endorsed by NIST or NVD.

CVE-2018-0721 Details

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.

Metrics

CVSS 3.x Severity and Vector Strings:

CNA: [email protected]CVSS-B:7.7 HIGHVector:CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:L/I:H/A:L

References to Advisories, Solutions, and Tools

By selecting these links, you will be leaving this site. These are references gathered from the official CVE record and are not endorsed by Volerion.

URL	Source(s)	Tag(s)
https://www.qnap.com/zh-tw/security-advisory/nas-201809-20	CVE	Vendor Advisory
https://www.qnap.com/zh-tw/security-advisory/nas-201809-20	[email protected]	Vendor Advisory

Weakness Enumeration

CWE-ID	CWE Name	Source
CWE-119	Improper Restriction of Operations within the Bounds of a Memory Buffer	[email protected]
CWE-120	Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')	[email protected]

Affected Products

Product	Versions
qnap qts	4.2.6 4.3.3 4.3.4
CPE 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:::::::* Remediation No remediation found in references.

Change History

5 change records found show changes

Date	Action	Recorded By
Jun 17, 2026	CVE Modified	[email protected]
Nov 21, 2024	CVE Modified	CVE
May 14, 2024	CVE Modified	[email protected]
Jan 16, 2020	CVE Modified	[email protected]
Dec 27, 2018	Initial Analysis	[email protected]