CVE-2021-34362: QNAP Media Streaming Add-On

High severity, CVSS 7.2. EPSS: 1.3% chance of exploitation in the next 30 days.

A command injection vulnerability has been reported to affect QNAP device running Media Streaming add-on. If exploited, this vulnerability allow remote attackers to run arbitrary commands. We have already fixed this vulnerability in the following versions of Media Streaming add-on: QTS 5.0.0: Media Streaming add-on 500.0.0.3 ( 2021/08/20 ) and later QTS 4.5.4: Media Streaming add-on 500.0.0.3 ( 2021/08/20 ) and later QTS 4.3.6: Media Streaming add-on 430.1.8.12 ( 2021/08/20 ) and later QTS 4.3.3: Media Streaming add-on 430.1.8.12 ( 2021/09/29 ) and later QuTS-Hero 5.0.0: Media Streaming add-on 500.0.0.3 ( 2021/08/20 ) and later

Affected products

• QNAP Media Streaming Add-On: before 500.0.0.3 (fixed in 500.0.0.3); before 430.1.8.12 (fixed in 430.1.8.12)

Published 2021-10-22. Last modified 2026-06-17.