NBase switches NH2012, NH2012R, NH2015, and NH2048 have a back door password that cannot be disabled, which allows remote attackers to modify the switch's configuration.
| Software | From | Fixed in |
|---|---|---|
| n-base / nh2048 | 1.33 | 1.33.x |
| n-base / nh2015 | 2.51 | 2.51.x |
| n-base / nh3012 | 2.1 | 2.1.x |
| n-base / nh2012r | 2.53 | 2.53.x |
| n-base / nh2012 | 2.53 | 2.53.x |