# CVE-2018-19949: QNAP NAS File Station Command Injection Vulnerability

> CVE-2018-19949: QNAP NAS File Station Command Injection Vulnerability. CVSS 9.8 (CVSS 3.1), in CISA KEV.

Canonical: https://rewindex.com/cve/CVE-2018-19949
Last updated: 2026-10-02T03:55:14Z

- Published: 2020-10-28 17:55 UTC · Updated: 2026-10-02 03:55 UTC · Assigner: qnap
- CVSS: 9.8 (CVSS 3.1) · Severity: Critical · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- EPSS: 30.2%, 98th percentile (scored 2026-10-25)
- CISA KEV: yes, added 2022-05-24, federal due date 2022-06-14, ransomware use: Known
- CWE: CWE-20, CWE-77, CWE-78

## Description

If exploited, this command injection vulnerability could allow remote attackers to run arbitrary commands. QNAP has already fixed the issue in the following QTS versions. QTS 4.4.2.1231 on build 20200302; QTS 4.4.1.1201 on build 20200130; QTS 4.3.6.1218 on build 20200214; QTS 4.3.4.1190 on build 20200107; QTS 4.3.3.1161 on build 20200109; QTS 4.2.6 on build 20200109.

## CISA required action

Apply updates per vendor instructions.

## Affected vendors and products

- QNAP Systems Inc.: QTS

## References

- [CVE record on cve.org](https://www.cve.org/CVERecord?id=CVE-2018-19949)
- [NVD entry](https://nvd.nist.gov/vuln/detail/CVE-2018-19949)
- [https://www.qnap.com/zh-tw/security-advisory/qsa-20-01](https://www.qnap.com/zh-tw/security-advisory/qsa-20-01)

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_Sources: CVE records from the CVE Program (cve.org). CVE® is a registered trademark of The MITRE Corporation. (https://www.cve.org/) This product uses data from the NVD API but is not endorsed or certified by the NVD. (https://nvd.nist.gov/) Known Exploited Vulnerabilities catalog from CISA. (https://www.cisa.gov/known-exploited-vulnerabilities-catalog) EPSS scores from FIRST (Exploit Prediction Scoring System). (https://www.first.org/epss/)_


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Canonical: https://rewindex.com/cve/CVE-2018-19949 · Markdown: https://rewindex.com/cve/CVE-2018-19949.md · JSON: https://rewindex.com/api/v1/cves/CVE-2018-19949 · Data licensed CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/) · Generated 2026-10-26T02:45:43.373Z