CVE-2021-34345

Stack Based Overflow Vulnerability in NVR Storage Expansion

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

Remediation

Solution:

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

References

Link	Tags
https://www.qnap.com/en/security-advisory/qsa-21-36	vendor advisory

Frequently Asked Questions

What is the severity of CVE-2021-34345?: CVE-2021-34345 has been scored as a critical severity vulnerability.
How to fix CVE-2021-34345?: To fix CVE-2021-34345: 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
Is CVE-2021-34345 being actively exploited in the wild?: It is possible that CVE-2021-34345 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~1% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2021-34345?: CVE-2021-34345 affects QNAP Systems Inc. NVR Storage Expansion.

This platform uses data from the NIST NVD, MITRE CVE, MITRE CWE, First.org and CISA KEV but is not endorsed or certified by these entities. CVE is a registred trademark of the MITRE Corporation and the authoritative source of CVE content is MITRE's CVE web site. CWE is a registred trademark of the MITRE Corporation and the authoritative source of CWE content is MITRE's CWE web site.

Description

Remediation

Category

CWE-787 – Out-of-bounds Write

References

Frequently Asked Questions