Medium · published October 3, 2025
A NULL pointer dereference vulnerability has been reported to affect several QNAP operating system versions. If a remote attacker gains an administrator account, they can then exploit the vulnerability to launch a denial-of-service (DoS) attack.
We have already fixed the vulnerability in the following versions:
QTS 5.2.6.3195 build 20250715 and later
QuTS hero h5.2.6.3195 build 20250715 and later
| Product | Versions | Fixed in |
|---|---|---|
| qnap/qts | all versions | — |
| qnap/qts | all versions | — |
| qnap/qts | all versions | — |
| qnap/qts | all versions | — |
| qnap/qts | all versions | — |
| qnap/qts | all versions | — |
| qnap/qts | all versions | — |
| qnap/qts | all versions | — |
| qnap/qts | all versions | — |
| qnap/qts | all versions | — |
| qnap/qts | all versions | — |
| qnap/qts | all versions | — |
| qnap/qts | all versions | — |
| qnap/qts | all versions | — |
| qnap/quts_hero | all versions | — |
| qnap/quts_hero | all versions | — |
| qnap/quts_hero | all versions | — |
| qnap/quts_hero | all versions | — |
| qnap/quts_hero | all versions | — |
| qnap/quts_hero | all versions | — |
| qnap/quts_hero | all versions | — |
| qnap/quts_hero | all versions | — |
| qnap/quts_hero | all versions | — |
| qnap/quts_hero | all versions | — |
| qnap/quts_hero | all versions | — |
| qnap/quts_hero | all versions | — |
| qnap/quts_hero | all versions | — |
| qnap/quts_hero | all versions | — |