Product / QNAP
QNAP Network Attached Storage (NAS) in CISA KEV
Answer CISA's KEV catalog lists 4 vulnerabilities in QNAP Network Attached Storage (NAS) as of catalog 2026.09.23, 36.4% of QNAP's 11 entries. First added 2022-03-31, latest 2022-05-24; 4 ransomware-linked.
- KEV entries
- 4
- Ransomware: known
- 4100%
- First added
- 2022-03-31
- Latest added
- 2022-05-24
- Median days to due
- 21
- Open deadlines
- 0federal
TAdditions by year
| Year | Added |
|---|---|
| 2021 | 0 |
| 2022 | 4 |
| 2023 | 0 |
| 2024 | 0 |
| 2025 | 0 |
| 2026 | 0 |
WWeaknesses
| CWE | Entries | Share |
|---|---|---|
| CWE-79 Cross-site scripting (XSS) | 2 | 50% |
| CWE-80 | 2 | 50% |
| CWE-20 Improper input validation | 1 | 25% |
| CWE-77 Command injection | 1 | 25% |
| CWE-78 OS command injection | 1 | 25% |
| CWE-285 Improper authorization | 1 | 25% |
EAll entries
| CVE | Vulnerability | Added | Due | Ransomware | CWE |
|---|---|---|---|---|---|
| CVE-2018-19953 | QNAP NAS File Station Cross-Site Scripting Vulnerability | Known | CWE-79, CWE-80 | ||
| CVE-2018-19949 | QNAP NAS File Station Command Injection Vulnerability | Known | CWE-20, CWE-77, CWE-78 | ||
| CVE-2018-19943 | QNAP NAS File Station Cross-Site Scripting Vulnerability | Known | CWE-79, CWE-80 | ||
| CVE-2021-28799 | QNAP NAS Improper Authorization Vulnerability | Known | CWE-285 |
Cite this
CISA's KEV catalog lists 4 vulnerabilities in QNAP Network Attached Storage (NAS). Source: Telemetry analysis of the CISA Known Exploited Vulnerabilities catalog, version 2026.09.23 (released 2026-09-23). https://glide-telemetry.pages.dev/products/qnap-network-attached-storage-nas/
Source: CISA KEV catalog v2026.09.23, released 2026-09-23. Windows end 2026-09-23.