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

Source: https://junglewise.ai/threats/cve-2019-7193-qnap-qts-improper-input-validation-vulnerability  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2022-06-08. Updated: 2026-05-10  
License: CC BY 4.0 with a link back

CVE-2019-7193 · Severity: critical · CVSS 9.8 · Exploited in the wild · Published 2022-06-08

QNAP QTS contains an improper input validation vulnerability that allows remote attackers to inject arbitrary code into the system. The vulnerability has been observed being exploited in the wild and affects multiple versions of the QTS operating system.

Technologies: [QNAP QTS](https://junglewise.ai/threats/technologies/qts). Vendors: [QNAP](https://junglewise.ai/threats/vendors/qnap).

## Quick answers

**Is CVE-2019-7193 exploited in the wild?** Yes. CVE-2019-7193 is known to be exploited in the wild, first recorded on 8 June 2022. Treat it as urgent.

**How severe is CVE-2019-7193?** Critical severity, with a CVSS score of 9.8, published 8 June 2022.

**Which products and versions are affected?** QNAP Systems QTS 4.3.6.0895 through 4.3.6.1033, 4.4.1.0948 through 4.4.1.1033 (beta).

**Is there a fix for CVE-2019-7193?** No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.

**How is CVE-2019-7193 attacked?** It is attacked over the network, in an operating system.

**Am I affected by CVE-2019-7193?** Check whether you run QNAP QTS. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

## Affected products

- QNAP Systems QTS 4.3.6.0895 through 4.3.6.1033, 4.4.1.0948 through 4.4.1.1033 (beta)

## Timeline

- 2019-11-25: advisory: Vendor advisory published by QNAP (NAS-201911-25)
- 2019-12-10: disclosed: Initial NVD analysis and CVSS scoring
- 2022-06-08: kev added: Added to CISA Known Exploited Vulnerabilities Catalog
- 2022-06-08: other: Vulnerability published to NVD

## Related threats

- [QNAP QTS and QuTS hero path traversal](https://junglewise.ai/threats/cve-2026-24717-qnap-qts-and-quts-hero-path-traversal)
- [QNAP QTS and QuTS hero NULL pointer dereference DoS](https://junglewise.ai/threats/cve-2026-24716-qnap-qts-and-quts-hero-null-pointer-dereference-dos)
- [QNAP QTS and QuTS hero command injection](https://junglewise.ai/threats/cve-2026-22893-qnap-qts-and-quts-hero-command-injection)
- [QNAP QTS and QuTS hero command injection](https://junglewise.ai/threats/cve-2025-66273-qnap-qts-and-quts-hero-command-injection)
- [QNAP QTS and QuTS web parameter manipulation](https://junglewise.ai/threats/cve-2025-59382-qnap-qts-and-quts-web-parameter-manipulation)