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Qnap

645 CVEs across 56 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

Dec 2021 to Nov 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
Dec 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: below the top 200 that month, 3 or fewer CVEsApr 2022: below the top 200 that month, 3 or fewer CVEsMay 2022: 10 CVEs · 1 critical · 0 now in CISA KEV · rank #67 · mostly Qts, Qutscloud, Quts HeroJun 2022: below the top 200 that month, 3 or fewer CVEsJul 2022: below the top 200 that month, 3 or fewer CVEsAug 2022: below the top 200 that month, 3 or fewer CVEsSep 2022: below the top 200 that month, 3 or fewer CVEsOct 2022: below the top 200 that month, 2 or fewer CVEsNov 2022: below the top 200 that month, 3 or fewer CVEsDec 2022: below the top 200 that month, 3 or fewer CVEsJan 2023: below the top 200 that month, 3 or fewer CVEsFeb 2023: below the top 200 that month, 3 or fewer CVEsMar 2023: no snapshot, the run for this month failedApr 2023: below the top 200 that month, 3 or fewer CVEsMay 2023: below the top 200 that month, 3 or fewer CVEsJun 2023: below the top 200 that month, 4 or fewer CVEsJul 2023: below the top 200 that month, 3 or fewer CVEsAug 2023: below the top 200 that month, 4 or fewer CVEsSep 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: below the top 200 that month, 4 or fewer CVEsJul 2024: below the top 200 that month, 4 or fewer CVEsAug 2024: below the top 200 that month, 4 or fewer CVEsSep 2024: 26 CVEs · 0 critical · 0 now in CISA KEV · rank #25 · mostly Quts Hero, Qts, QutscloudOct 2024: below the top 200 that month, 4 or fewer CVEsNov 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: below the top 200 that month, 4 or fewer CVEsFeb 2025: below the top 200 that month, 3 or fewer CVEsMar 2025: 15 CVEs · 3 critical · 0 now in CISA KEV · rank #62 · mostly Qts, Quts Hero, QurouterApr 2025: below the top 200 that month, 4 or fewer CVEsMay 2025: below the top 200 that month, 4 or fewer CVEsJun 2025: 21 CVEs · 0 critical · 0 now in CISA KEV · rank #44 · mostly File Station 5, File Station, Quts HeroJul 2025: below the top 200 that month, 5 or fewer CVEsAug 2025: 43 CVEs · 1 critical · 0 now in CISA KEV · rank #27 · mostly Qsync Central, File Station 5, File StationSep 2025: below the top 200 that month, 4 or fewer CVEsOct 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: below the top 200 that month, 5 or fewer CVEsJan 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: below the top 200 that month, 6 or fewer CVEsMay 2026: below the top 200 that month, 7 or fewer CVEsJun 2026: 24 CVEs · 4 critical · 0 now in CISA KEV · rank #41 · mostly Quts Hero, Qts, File Station 5Jul 2026: below the top 200 that month, 7 or fewer CVEsAug 2026: below the top 200 that month, 8 or fewer CVEsSep 2026: below the top 200 that month, 9 or fewer CVEsOct 2026: 37 CVEs · 0 critical · 0 now in CISA KEV · rank #49 · mostly Video Station, Qsync Central, Notes Station 3Nov 2026: none that month (the list had room for every one)

In the lens

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

  1. Qts19017 months
  2. Quts Hero19018 months
  3. Qsync Central634 months
  4. File Station 5545 months
  5. Qutscloud537 months
  6. File Station474 months
  7. Notes Station 382 months
  8. Video Station82 months
  9. Qumagie62 months
  10. Qurouter62 months

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 56 on the list
On the top 200 list
56 of 189 monthly snapshots

Each monthly snapshot keeps the top 200 vendors by CVEs. A month below the cut shows the most it could have had: the smallest count that made the list. 18 months have no snapshot because the run failed.

MethodologyAll months on recordThe Qnap hub