CVEs / CVE-2019-7193

CVE-2019-7193: QNAP QTS Improper Input Validation Vulnerability

Known exploited in the CISA KEV catalog since 8 Jun 2022
critical 9.8 CVSS 3.1 (NVD)
EPSS 14.3% chance of exploitation in the next 30 days, higher than 96% of CVEs (30 Oct 2026)
Last changed at its sources 17 Jun 2026

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Summary

QNAP QTS contains an improper input validation vulnerability allowing remote attackers to inject code on the system.
CISA, Known Exploited Vulnerabilities catalog

Description

This improper input validation vulnerability allows remote attackers to inject arbitrary code to the system. To fix the vulnerability, QNAP recommend updating QTS to their latest versions.
The CVE record, via NVD · published 5 Dec 2019 · NVD status: Analyzed

Affected and fixed versions

As stated by the CVE record (from the CNA)
Product	Affected	Fixed in
n/a QNAP NAS devices	QTS 4.4.0 - QTS 4.4.1: before build 20190918, QTS 4.3.6: before build 20190919	—

Exploitation

In CISA KEV since	8 Jun 2022
Due date for US federal agencies	22 Jun 2022
Used in ransomware campaigns	Known
Required action	Apply updates per vendor instructions.

Severity

CVSS 3.1	9.8 critical `CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H` Scored by NVD
Weakness	CWE-20

References

CVE-2019-7193 on NVD
CVE-2019-7193 in the CISA KEV catalog
http://packetstormsecurity.com/files/157857/QNAP-QTS-And-Photo-Station-6.0.3-Remote-Command-Execution.html Exploit, Third Party Advisory, VDB Entry
https://www.qnap.com/zh-tw/security-advisory/nas-201911-25 Vendor Advisory
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2019-7193 US Government Resource

Sources

Exploitation status from the CISA Known Exploited Vulnerabilities catalog. EPSS scores from FIRST. Descriptions, severity and references from the National Vulnerability Database. Open-source package versions from OSV (CC-BY 4.0). Text is shown as each source states it; Stackurity does not edit it. Check the vendor's advisory before acting.

This product uses data from the NVD API but is not endorsed or certified by the NVD.