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CVE-2021-34345 Details

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

Metrics

CVSS 3.x Severity and Vector Strings:

NIST: [email protected]CVSS-B:9.8 CRITICALVector:CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CNA: [email protected]CVSS-B:9.8 CRITICALVector:CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

References to Advisories, Solutions, and Tools

By selecting these links, you will be leaving this site. These are references gathered from the official CVE record and are not endorsed by Volerion.

URL	Source(s)	Tag(s)
https://www.qnap.com/en/security-advisory/qsa-21-36	CVE	Vendor Advisory
https://www.qnap.com/en/security-advisory/qsa-21-36	[email protected]	Vendor Advisory

Weakness Enumeration

CWE-ID	CWE Name	Source
CWE-787	Out-of-bounds Write	[email protected]
CWE-787	Out-of-bounds Write	[email protected]

Affected Products

Product	Versions
qnap ej1600 firmware	< 1.0.6
CPE cpe:2.3:o:qnap:ej1600_firmware:::::::: Remediation No remediation found in references.
qnap ej1600	All versions
CPE cpe:2.3:h:qnap:ej1600:-:::::::* Remediation No remediation found in references.
qnap tl-r1620sdc firmware	< 1.0.6
CPE cpe:2.3:o:qnap:tl-r1620sdc_firmware:::::::: Remediation No remediation found in references.
qnap tl-r1620sdc	All versions
CPE cpe:2.3:h:qnap:tl-r1620sdc:-:::::::* Remediation No remediation found in references.
qnap tl-r1620sep-rp firmware	< 1.0.6
CPE cpe:2.3:o:qnap:tl-r1620sep-rp_firmware:::::::: Remediation No remediation found in references.
qnap tl-r1620sep-rp	All versions
CPE cpe:2.3:h:qnap:tl-r1620sep-rp:-:::::::* Remediation No remediation found in references.
qnap tl-r1220sep-rp firmware	< 1.0.6
CPE cpe:2.3:o:qnap:tl-r1220sep-rp_firmware:::::::: Remediation No remediation found in references.
qnap tl-r1220sep-rp	All versions
CPE cpe:2.3:h:qnap:tl-r1220sep-rp:-:::::::* Remediation No remediation found in references.
qnap tl-d1600s firmware	< 1.0.6
CPE cpe:2.3:o:qnap:tl-d1600s_firmware:::::::: Remediation No remediation found in references.
qnap tl-d1600s	All versions
CPE cpe:2.3:h:qnap:tl-d1600s:-:::::::* Remediation No remediation found in references.
qnap tl-d800s firmware	< 1.0.6
CPE cpe:2.3:o:qnap:tl-d800s_firmware:::::::: Remediation No remediation found in references.
qnap tl-d800s	All versions
CPE cpe:2.3:h:qnap:tl-d800s:-:::::::* Remediation No remediation found in references.
qnap tl-d400s firmware	< 1.0.6
CPE cpe:2.3:o:qnap:tl-d400s_firmware:::::::: Remediation No remediation found in references.
qnap tl-d400s	All versions
CPE cpe:2.3:h:qnap:tl-d400s:-:::::::* Remediation No remediation found in references.
qnap tl-r1200s-rp firmware	< 1.0.6
CPE cpe:2.3:o:qnap:tl-r1200s-rp_firmware:::::::: Remediation No remediation found in references.
qnap tl-r1200s-rp	All versions
CPE cpe:2.3:h:qnap:tl-r1200s-rp:-:::::::* Remediation No remediation found in references.
qnap tl-r400s firmware	< 1.0.6
CPE cpe:2.3:o:qnap:tl-r400s_firmware:::::::: Remediation No remediation found in references.
qnap tl-r400s	All versions
CPE cpe:2.3:h:qnap:tl-r400s:-:::::::* Remediation No remediation found in references.
qnap tl-r1200c-rp firmware	< 1.0.6
CPE cpe:2.3:o:qnap:tl-r1200c-rp_firmware:::::::: Remediation No remediation found in references.
qnap tl-r1200c-rp	All versions
CPE cpe:2.3:h:qnap:tl-r1200c-rp:-:::::::* Remediation No remediation found in references.
qnap tl-d800c firmware	< 1.0.6
CPE cpe:2.3:o:qnap:tl-d800c_firmware:::::::: Remediation No remediation found in references.
qnap tl-d800c	All versions
CPE cpe:2.3:h:qnap:tl-d800c:-:::::::* Remediation No remediation found in references.
qnap tr-004 firmware	< 1.0.6
CPE cpe:2.3:o:qnap:tr-004_firmware:::::::: Remediation No remediation found in references.
qnap tr-004	All versions
CPE cpe:2.3:h:qnap:tr-004:-:::::::* Remediation No remediation found in references.
qnap tr-002 firmware	< 1.0.6
CPE cpe:2.3:o:qnap:tr-002_firmware:::::::: Remediation No remediation found in references.
qnap tr-002	All versions
CPE cpe:2.3:h:qnap:tr-002:-:::::::* Remediation No remediation found in references.
qnap tr-004u firmware	< 1.0.6
CPE cpe:2.3:o:qnap:tr-004u_firmware:::::::: Remediation No remediation found in references.
qnap tr-004u	All versions
CPE cpe:2.3:h:qnap:tr-004u:-:::::::* Remediation No remediation found in references.

Change History

7 change records found show changes

Date	Action	Recorded By
Jun 17, 2026	CVE Modified	[email protected]
Nov 21, 2024	CVE Modified	CVE
May 14, 2024	CVE Modified	[email protected]
Feb 10, 2022	Modified Analysis	[email protected]
Jan 3, 2022	CVE Modified	[email protected]
Oct 4, 2021	Initial Analysis	[email protected]
Sep 10, 2021	CVE Modified	[email protected]

CVE-2021-34345 Details

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