Security ID : QSA-21-59

Stack Overflow Vulnerability in QVR Elite, QVR Pro, and QVR Guard

Release date : January 13, 2022
CVE identifier : CVE-2021-38682 | CVE-2021-38689 | CVE-2021-38690 | CVE-2021-38691 | CVE-2021-38692
Affected products: QNAP NAS running QVR Elite, QVR Pro, and QVR Guard

Severity

Important

Status

Resolved

Summary

A stack buffer overflow vulnerability has been reported to affect QNAP NAS running QVR Elite, QVR Pro, and QVR Guard. If exploited, this vulnerability allows attackers to execute arbitrary code.

We have already fixed this vulnerability in the following versions:

QVR Elite 2.1.4.0 (2021/12/06) and later
QVR Pro 2.1.3.0 (2021/12/06) and later
QVR Guard 2.1.3.0 (2021/12/06) and later

Recommendation

To fix the vulnerability, we recommend updating QVR Elite, QVR Pro, and QVR Guard to their latest versions.

Updating QVR Elite, QVR Pro, or QVR Guard

Log on to QTS or QuTS hero as administrator.
Open the App Center and then click .
A search box appears.
Enter "QVR Elite", "QVR Pro", or "QVR Guard".
The application appears in the search results.
Click Update.
A confirmation message appears.
Note: The Update button is not available if your application is already up to date.
Click OK.
The application is updated.