Category Cybersecurity


  • Remote Code Execution
  • Information Disclosure
  • Security Restriction Bypass

System / Technologies affected

  • NVR Storage Expansion version prior to 1.0.6 (2021/08/03)
  • QGD-1600P: QuNetSwitch version prior to
  • QGD-1602P: QuNetSwitch version prior to
  • QGD-3014PT: QuNetSwitch version prior to
  • QSW-M2116P-2T2S 1.0.6 build prior to 210713
  • QTS build prior to 20210624
  • QTS build prior to 20210730
  • QTS 4.3.6: QUSBCam2 version prior to 1.1.4 ( 2021/07/30 )
  • QTS build prior to 20210630
  • QTS 4.5.4: QUSBCam2 version prior to 1.1.4 (2021/07/30)
  • QTS build prior to 20210701
  • QuTS hero h4.5.3: QUSBCam2 version prior to 1.1.4 (2021/07/30)
  • QuTS hero h4.5.4.1771 build prior to 20210825
  • QuTScloud c4.5.6.1755 build prior to 20210809
  • QuTScloud version prior to c4.5.6.1755


Before installation of the software, please visit the vendor web-site for more details.


  • Apply fixes issued by the vendor:

    NVR Storage Expansion 1.0.6 (2021/08/03) and later

    QGD-1600P: QuNetSwitch and later

    QGD-1602P: QuNetSwitch and later

    QGD-3014PT: QuNetSwitch and later

    QSW-M2116P-2T2S 1.0.6 build 210713 and later

    QTS build 20210624 and later

    QTS build 20210730 and later

    QTS 4.3.6: QUSBCam2 1.1.4 ( 2021/07/30 ) and later

    QTS build 20210630 and later

    QTS 4.5.4: QUSBCam2 1.1.4 (2021/07/30) and later

    QTS build 20210701 and later

    QuTS hero h4.5.3: QUSBCam2 1.1.4 (2021/07/30) and later

    QuTS hero h4.5.4.1771 build 20210825 and later

    QuTScloud c4.5.6.1755 and later

    QuTScloud c4.5.6.1755 build 20210809 and later



Updating QTS, QuTS hero, or QuTScloud

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

    QTS, QuTS hero, or QuTScloud 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.




Updating QUSBCam2, NVR Storage Expansion, or QuNetSwitch

  1. Log on to QTS or QuTS hero as administrator.
  2. Open the App Center and then click .

    A search box appears.
  3. Type “QUSBCam2”, “NVR Storage Expansion, or QuNetSwitch” and then press ENTER.

    QUSBCam2, NVR Storage Expansion, or QuNetSwitch appears in the search results.
  4. Click Update.

    A confirmation message appears.
    Note: The Update button is not available if your QUSBCam2, NVR Storage Expansion, or QuNetSwitch is already up to date.
  5. Click OK.

    The application is updated.

Vulnerability Identifier


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