| Vendor | Products | Vulnerabilities |
|---|---|---|
| Cyberpower | 2 | 22 |
| Cat | 1 | 22 |
| Comfast | 6 | 21 |
| Cambiumnetworks | 15 | 21 |
| Call-cc | 3 | 21 |
| Caddyserver | 1 | 20 |
| Citeum | 1 | 20 |
| Cern | 3 | 20 |
| Calibre-ebook | 1 | 20 |
| Cmsimple | 2 | 20 |
| Coppermine-gallery | 2 | 20 |
| Cesnet | 4 | 20 |
| Coreftp | 2 | 19 |
| Canva | 1 | 19 |
| Crocoblock | 6 | 19 |
| Comscripts | 11 | 19 |
| Cipplanner | 1 | 18 |
| Cvs | 1 | 18 |
| Codecabin | 3 | 18 |
| Carrier | 13 | 17 |
20 | ||