CVE-2021-34346 — CVE-2021-34346

CVE-2021-34346

CRITICAL · CVSS 9.8

EPSS exploitation probability: 0%

Published 2021-09-10T04:15:18.883 · Last modified 2026-06-17T03:55:41.917

Summary

A stack buffer overflow vulnerability has been reported to affect QNAP device running NVR Storage Expansion. If exploited, this vulnerability allows attackers to execute arbitrary code. We have already fixed this vulnerability in the following versions of NVR Storage Expansion: NVR Storage Expansion 1.0.6 ( 2021/08/03 ) and later

Affected products

qnap — nvr_storage_expansion_firmware

Does this affect you?

Add your gear to cvedb and we'll alert you only when qnap ships something exploited.

Check my exposure →

References

NVD entry
CVE.org record

This product uses data from the NVD API but is not endorsed or certified by the NVD. Informational only; not professional security advice.