CVE DATABASE / CVE-2019-7193
CVE-2019-7193
QNAP QTS Improper Input Validation Vulnerability
CVSS 9.8 · CRITICAL
⚠ CISA KEV — ACTIVELY EXPLOITED
RANSOMWARE
On the CISA KEV catalog
Confirmed exploited in the wild. Added 2022-06-08.
Federal remediation due 2022-06-22.
Required action: Apply updates per vendor instructions.
Summary
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.
CVSS 3.1 breakdown
| Base score | 9.8 (CRITICAL) |
| Vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| Attack vector | NETWORK |
| Attack complexity | LOW |
| Privileges required | NONE |
| User interaction | NONE |
| Scope | UNCHANGED |
| Confidentiality | HIGH |
| Integrity | HIGH |
| Availability | HIGH |
Weakness type (CWE)
Affected products
Qnap qts
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References
- http://packetstormsecurity.com/files/157857/QNAP-QTS-And-Photo-Station-6.0.3-Remote-Command-Execution.html
- https://www.qnap.com/zh-tw/security-advisory/nas-201911-25
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2019-7193
Data: NIST NVD + CISA KEV. NVD last modified 2025-10-27. Always verify against the vendor advisory before acting.