Cleartext Transmission of Sensitive Information in SNMP

Summary

A vulnerability has been reported to affect QNAP devices. If exploited, this vulnerability allows a remote attacker to gain access to sensitive information during cleartext transmission. 

We have already fixed this vulnerability in the following versions:

• QTS 4.4.3.1354 build 20200702 (and later)

Recommendation

To secure your device, we strongly recommend 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.

Installing the QTS Update

1. Log on to QTS as administrator.
2. Go to Control Panel > System > Firmware Update.
3. Under Live Update, click Check for Update.
   QTS 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.