Vulnerability Monitor

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CVE-2021-34346

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

Published

2021-09-10T04:15:18.883

Last Modified

2024-11-21T06:10:12.817

Status

Modified

Source

[email protected]

Severity

CVSSv3.1: 9.8 (CRITICAL)

CVSSv2 Vector

AV:N/AC:L/Au:N/C:P/I:P/A:P

Access Vector: NETWORK
Access Complexity: LOW
Authentication: NONE
Confidentiality Impact: PARTIAL
Integrity Impact: PARTIAL
Availability Impact: PARTIAL

Exploitability Score

10.0

Impact Score

6.4

Weaknesses

Type: Secondary
CWE-787
Type: Primary
CWE-787

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Operating System	qnap	nvr_storage_expansion_firmware	< 1.0.6	Yes
Hardware	qnap	nvr_storage_expansion	-	No

References

https://www.qnap.com/en/security-advisory/qsa-21-36 Vendor Advisory ([email protected])
https://www.qnap.com/en/security-advisory/qsa-21-36 Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)