Vulnerabilities in QTS, QuTS hero and QuTScloud

Summary

Two out-of-bounds write vulnerabilities have been reported to affect multiple QNAP operating systems. If exploited, the vulnerabilities allow authenticated users to launch a denial-of-service (DoS) attack via network vector.

We have already fixed the vulnerability in the following operating system versions:

• QTS 5.0.1.2346 build 20230322 and later
• QTS 4.5.4.2374 build 20230416 and later
• QuTS hero h5.0.1.2348 build 20230324 and later
• QuTS hero h4.5.4.2374 build 20230417 and later
• QuTScloud c5.0.1.2374 and later

Recommendation

To secure your device, we recommend regularly updating your system to the latest version to benefit from vulnerability fixes. You can check the product support status to see the latest updates available to your NAS model.

Updating QTS, QuTS hero, or QuTScloud

1. Log in to QTS, QuTS hero, or QuTScloud as an administrator.
2. Go to Control Panel > System > Firmware Update.
3. Under Live Update, click Check for Update.
   The system downloads and installs the latest available update.

Tip: You can also download the update from the QNAP website. Go to Support > Download Center and then perform a manual update for your specific device.