# QNAP Network Attached Storage (NAS) vulnerabilities

Source: https://junglewise.ai/threats/technologies/network-attached-storage-nas  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Updated: 9 November 2026, 03:07 UTC. Rebuilt every hour.  
Data: https://junglewise.ai/threats/technologies/network-attached-storage-nas.json  
License: CC BY 4.0 with a link back

Junglewise Threat Intelligence has tracked 5 vulnerabilities in QNAP Network Attached Storage (NAS): 0 in the last 7 days and 0 in the last 90 days, 5 of them critical and 5 exploited in the wild. The most recent, CVE-2018-19949, was published on 24 May 2022.

## Counts

- Last 7 days: 0
- Last 30 days: 0
- Last 90 days: 0
- All time: 5 (5 critical, 5 exploited in the wild)

## About QNAP Network Attached Storage (NAS)

Network-attached storage devices for centralized data storage and management over a network.

## Latest QNAP Network Attached Storage (NAS) vulnerabilities

- [CVE-2018-19949: QNAP NAS File Station Command Injection Vulnerability](https://junglewise.ai/threats/cve-2018-19949-qnap-nas-file-station-command-injection-vulnerability) (critical, exploited in the wild, CVSS 9.8, published 24 May 2022)
- [CVE-2018-19953: QNAP NAS File Station Cross-Site Scripting Vulnerability](https://junglewise.ai/threats/cve-2018-19953-qnap-nas-file-station-cross-site-scripting-vulnerability) (critical, exploited in the wild, CVSS 6.1, published 24 May 2022)
- [CVE-2018-19943: QNAP NAS File Station Cross-Site Scripting Vulnerability](https://junglewise.ai/threats/cve-2018-19943-qnap-nas-file-station-cross-site-scripting-vulnerability) (critical, exploited in the wild, CVSS 8, published 24 May 2022)
- [CVE-2020-2509: QNAP Network-Attached Storage (NAS) Command Injection Vulnerability](https://junglewise.ai/threats/cve-2020-2509-qnap-network-attached-storage-nas-command-injection-vulnerability) (critical, exploited in the wild, CVSS 9.8, published 11 Apr 2022)
- [CVE-2021-28799: QNAP NAS Improper Authorization Vulnerability](https://junglewise.ai/threats/cve-2021-28799-qnap-nas-improper-authorization-vulnerability) (critical, exploited in the wild, CVSS 9.8, published 31 Mar 2022)

## Most severe QNAP Network Attached Storage (NAS) vulnerabilities

- [CVE-2018-19949: QNAP NAS File Station Command Injection Vulnerability](https://junglewise.ai/threats/cve-2018-19949-qnap-nas-file-station-command-injection-vulnerability) (critical, exploited in the wild, CVSS 9.8, published 24 May 2022)
- [CVE-2020-2509: QNAP Network-Attached Storage (NAS) Command Injection Vulnerability](https://junglewise.ai/threats/cve-2020-2509-qnap-network-attached-storage-nas-command-injection-vulnerability) (critical, exploited in the wild, CVSS 9.8, published 11 Apr 2022)
- [CVE-2021-28799: QNAP NAS Improper Authorization Vulnerability](https://junglewise.ai/threats/cve-2021-28799-qnap-nas-improper-authorization-vulnerability) (critical, exploited in the wild, CVSS 9.8, published 31 Mar 2022)
- [CVE-2018-19943: QNAP NAS File Station Cross-Site Scripting Vulnerability](https://junglewise.ai/threats/cve-2018-19943-qnap-nas-file-station-cross-site-scripting-vulnerability) (critical, exploited in the wild, CVSS 8, published 24 May 2022)
- [CVE-2018-19953: QNAP NAS File Station Cross-Site Scripting Vulnerability](https://junglewise.ai/threats/cve-2018-19953-qnap-nas-file-station-cross-site-scripting-vulnerability) (critical, exploited in the wild, CVSS 6.1, published 24 May 2022)

## Vulnerabilities per week

Nothing was published in the last eight weeks.

| Week of | Vulns | Critical | Exploited |
| --- | --- | --- | --- |
| 17 Aug 2026 | 0 | 0 | 0 |
| 24 Aug 2026 | 0 | 0 | 0 |
| 31 Aug 2026 | 0 | 0 | 0 |
| 7 Sep 2026 | 0 | 0 | 0 |
| 14 Sep 2026 | 0 | 0 | 0 |
| 21 Sep 2026 | 0 | 0 | 0 |
| 28 Sep 2026 | 0 | 0 | 0 |
| 5 Oct 2026 | 0 | 0 | 0 |
| 12 Oct 2026 | 0 | 0 | 0 |
| 19 Oct 2026 | 0 | 0 | 0 |
| 26 Oct 2026 | 0 | 0 | 0 |
| 2 Nov 2026 | 0 | 0 | 0 |
| 9 Nov 2026 | 0 | 0 | 0 |

## Other QNAP technologies

- [QNAP QTS](https://junglewise.ai/threats/technologies/qts): 37 vulnerabilities
- [QNAP Quts Hero](https://junglewise.ai/threats/technologies/qnap-quts-hero): 24 vulnerabilities
- [QNAP File Station](https://junglewise.ai/threats/technologies/file-station): 14 vulnerabilities
- [QNAP Video Station](https://junglewise.ai/threats/technologies/video-station): 6 vulnerabilities
- [QNAP Hybrid Backup Sync](https://junglewise.ai/threats/technologies/hybrid-backup-sync): 4 vulnerabilities
- [QNAP Photo Station](https://junglewise.ai/threats/technologies/photo-station): 4 vulnerabilities
- [QNAP Qsync Central](https://junglewise.ai/threats/technologies/qsync-central): 4 vulnerabilities
- [QNAP License Center](https://junglewise.ai/threats/technologies/license-center): 3 vulnerabilities
- [QNAP File Station 5](https://junglewise.ai/threats/technologies/qnap-file-station-5): 3 vulnerabilities
- [QNAP Qumagie](https://junglewise.ai/threats/technologies/qnap-qumagie): 3 vulnerabilities

## Sources

NVD, GitHub Security Advisories, OSV, the CISA Known Exploited Vulnerabilities catalog, FIRST EPSS and vendor advisories. Rebuilt every hour. Cite as: Junglewise Threat Intelligence, "QNAP Network Attached Storage (NAS) vulnerabilities", https://junglewise.ai/threats/technologies/network-attached-storage-nas, 9 November 2026.