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Qnap

608 CVEs across 55 months on the top 200 list since Sep 2009. Peak rank #12 in Feb 2026. 13 of them are now in CISA KEV.

Qnap CVEs per month since Sep 2009

Jul 2021 to Jun 2026 in the lens. Point at a month to read it, or drag the frame to move through the record.Tallest in the lens: 49, Feb 2026
Jul 2021: 6 CVEs · 3 critical · 0 now in CISA KEV · rank #80 · mostly Qts, Quts Hero, Q'centerAug 2021: not on the top 200 that monthSep 2021: 10 CVEs · 6 critical · 0 now in CISA KEV · rank #54 · mostly Qutscloud, Qts, Quts HeroOct 2021: 6 CVEs · 0 critical · 0 now in CISA KEV · rank #80 · mostly Photo Station, Media Streaming Add-on, QvrNov 2021: 6 CVEs · 1 critical · 0 now in CISA KEV · rank #82 · mostly Qmailagent, Qvr, Ragic Cloud DbDec 2021: 3 CVEs · 0 critical · 0 now in CISA KEV · rank #183 · mostly Kazoo Server, Qfile, Surveillance StationJan 2022: 8 CVEs · 0 critical · 0 now in CISA KEV · rank #70 · mostly Qvr Pro, Qvr Elite, Qvr GuardFeb 2022: 3 CVEs · 0 critical · 0 now in CISA KEV · rank #172 · mostly Proxy Server, Nas Proxy Server, Kazoo ServerMar 2022: not on the top 200 that monthApr 2022: not on the top 200 that monthMay 2022: 10 CVEs · 1 critical · 0 now in CISA KEV · rank #67 · mostly Qts, Qutscloud, Quts HeroJun 2022: not on the top 200 that monthJul 2022: not on the top 200 that monthAug 2022: not on the top 200 that monthSep 2022: not on the top 200 that monthOct 2022: not on the top 200 that monthNov 2022: not on the top 200 that monthDec 2022: not on the top 200 that monthJan 2023: not on the top 200 that monthFeb 2023: not on the top 200 that monthMar 2023: not on the top 200 that monthApr 2023: not on the top 200 that monthMay 2023: not on the top 200 that monthJun 2023: not on the top 200 that monthJul 2023: not on the top 200 that monthAug 2023: not on the top 200 that monthSep 2023: 4 CVEs · 0 critical · 0 now in CISA KEV · rank #167 · mostly Qts, Qutscloud, Quts HeroOct 2023: 14 CVEs · 1 critical · 0 now in CISA KEV · rank #53 · mostly Quts Hero, Qts, QutscloudNov 2023: 8 CVEs · 2 critical · 0 now in CISA KEV · rank #98 · mostly Qts, Quts Hero, QumagieDec 2023: 4 CVEs · 0 critical · 1 now in CISA KEV · rank #197 · mostly Qts, Quts Hero, Qvr FirmwareJan 2024: 14 CVEs · 0 critical · 0 now in CISA KEV · rank #64 · mostly Qts, Quts Hero, QumagieFeb 2024: 32 CVEs · 1 critical · 0 now in CISA KEV · rank #26 · mostly Qutscloud, Quts Hero, QtsMar 2024: 6 CVEs · 1 critical · 0 now in CISA KEV · rank #141 · mostly Qts, Quts Hero, QutscloudApr 2024: 13 CVEs · 3 critical · 0 now in CISA KEV · rank #70 · mostly Quts Hero, Qts, QutscloudMay 2024: 6 CVEs · 0 critical · 0 now in CISA KEV · rank #176 · mostly Qts, Quts Hero, Media Streaming Add-onJun 2024: not on the top 200 that monthJul 2024: not on the top 200 that monthAug 2024: not on the top 200 that monthSep 2024: 26 CVEs · 0 critical · 0 now in CISA KEV · rank #25 · mostly Quts Hero, Qts, QutscloudOct 2024: not on the top 200 that monthNov 2024: 29 CVEs · 3 critical · 0 now in CISA KEV · rank #37 · mostly Qts, Quts Hero, Notes Station 3Dec 2024: 19 CVEs · 6 critical · 0 now in CISA KEV · rank #34 · mostly Qts, Quts Hero, Qulog CenterJan 2025: not on the top 200 that monthFeb 2025: not on the top 200 that monthMar 2025: 15 CVEs · 3 critical · 0 now in CISA KEV · rank #62 · mostly Qts, Quts Hero, QurouterApr 2025: not on the top 200 that monthMay 2025: not on the top 200 that monthJun 2025: 21 CVEs · 0 critical · 0 now in CISA KEV · rank #44 · mostly File Station 5, File Station, Quts HeroJul 2025: not on the top 200 that monthAug 2025: 43 CVEs · 1 critical · 0 now in CISA KEV · rank #27 · mostly Qsync Central, File Station 5, File StationSep 2025: not on the top 200 that monthOct 2025: 44 CVEs · 0 critical · 0 now in CISA KEV · rank #24 · mostly Quts Hero, Qts, Qsync CentralNov 2025: 18 CVEs · 2 critical · 0 now in CISA KEV · rank #45 · mostly File Station, File Station 5, Download StationDec 2025: not on the top 200 that monthJan 2026: 35 CVEs · 2 critical · 0 now in CISA KEV · rank #22 · mostly Quts Hero, Qts, Hybrid Backup SyncFeb 2026: 49 CVEs · 1 critical · 0 now in CISA KEV · rank #12 · mostly Qsync Central, File Station 5, File StationMar 2026: 15 CVEs · 6 critical · 0 now in CISA KEV · rank #77 · mostly Qurouter, Qunetswitch, Video StationApr 2026: not on the top 200 that monthMay 2026: not on the top 200 that monthJun 2026: 24 CVEs · 4 critical · 0 now in CISA KEV · rank #41 · mostly Quts Hero, Qts, File Station 5

In the lens

The products that kept showing up in Qnap's monthly top three from Jul 2021 to Jun 2026. Move the lens and the list follows.

  1. Qts19619 months
  2. Quts Hero19620 months
  3. Qsync Central573 months
  4. Qutscloud568 months
  5. File Station 5545 months
  6. File Station474 months
  7. Qumagie62 months
  8. Qurouter62 months
  9. Qvr Elite51 month
  10. Qvr Guard51 month

Year by year

Each year's months on the top 200 list. Pick a year to read it in the lens.

The record

Peak rank
#12 in Feb 2026
Busiest month
Feb 2026, 49 CVEs
Months with a KEV entry
7 of 55 on the list
On the top 200 list
55 of 202 monthly snapshots

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