CVE-2021-34346 — CRITICAL (9.8)

Q: How severe is CVE-2021-34346?

CVE-2021-34346 has been rated CRITICAL with a CVSS base score of 9.8/10. This is considered a critical vulnerability requiring immediate attention.

Q: Is there a patch for CVE-2021-34346?

Check the references section above for vendor advisories and patch information. Affected products include: Qnap Nvr Storage Expansion Firmware, Qnap Nvr Storage Expansion.

Vulnerability Description

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

CVSS Score

9.8

CRITICAL

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

HIGH

Integrity

HIGH

Availability

HIGH

Affected Products

Vendor	Product	Versions
Qnap	Nvr Storage Expansion Firmware	< 1.0.6
Qnap	Nvr Storage Expansion	-

Related Weaknesses (CWE)

CWE-787

References

https://www.qnap.com/en/security-advisory/qsa-21-36Vendor Advisory
https://www.qnap.com/en/security-advisory/qsa-21-36Vendor Advisory

FAQ

What is CVE-2021-34346?

CVE-2021-34346 is a vulnerability with a CVSS score of 9.8 (CRITICAL). 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 alread...

How severe is CVE-2021-34346?

CVE-2021-34346 has been rated CRITICAL with a CVSS base score of 9.8/10. This is considered a critical vulnerability requiring immediate attention.

Is there a patch for CVE-2021-34346?

Check the references section above for vendor advisories and patch information. Affected products include: Qnap Nvr Storage Expansion Firmware, Qnap Nvr Storage Expansion.