CVE-2018-0721: Security Advisory for Vulnerabilities in QTS

Severity: critical (CVSS 10.0 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.6% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2018-11-27 · updated 2026-06-17
Weakness: CWE-120

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.

Affected products

QNAP QTS: 4.2.6, 4.3.3, 4.3.4

References

https://www.qnap.com/zh-tw/security-advisory/nas-201809-20
https://www.qnap.com/zh-tw/security-advisory/nas-201809-20

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