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TI-2021-13387 Aliases CVE-2021-34345GHSA-vhmr-2r99-xhqw

Stack Based Overflow Vulnerability in NVR Storage Expansion

Priority MEDIUM 45CWE-787Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
Code execution
Confidentiality · integrity · availability
High · High · High
Fix status
Fixed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-787 and the CVSS impact.

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

Why it matters now

EPSS 0.01579 75th percentileScored 2026-11-07
Fix Fixed NVR Storage Expansion (QNAP Systems Inc.): 1.0.6 ( 2021/08/03 )

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
QNAPNVR Storage Expansionbefore 1.0.6 ( 2021/08/03 )1.0.6 ( 2021/08/03 )Patch availableCNA
  • NVR Storage Expansion VendorQNAP Affected before 1.0.6 ( 2021/08/03 ) Fixed in 1.0.6 ( 2021/08/03 ) Patch available CNA

CPE configurations NVD · 28

CPEVersionsRoleVendor
cpe:2.3:o:qnap:ej1600_firmware:*:*:*:*:*:*:*:*before 1.0.6VulnerableQNAP
cpe:2.3:h:qnap:ej1600:-:*:*:*:*:*:*:*not specified by NVDRunning onQNAP
cpe:2.3:o:qnap:tl-r1620sdc_firmware:*:*:*:*:*:*:*:*before 1.0.6VulnerableQNAP
cpe:2.3:h:qnap:tl-r1620sdc:-:*:*:*:*:*:*:*not specified by NVDRunning onQNAP
cpe:2.3:o:qnap:tl-r1620sep-rp_firmware:*:*:*:*:*:*:*:*before 1.0.6VulnerableQNAP
cpe:2.3:h:qnap:tl-r1620sep-rp:-:*:*:*:*:*:*:*not specified by NVDRunning onQNAP
cpe:2.3:o:qnap:tl-r1220sep-rp_firmware:*:*:*:*:*:*:*:*before 1.0.6VulnerableQNAP
cpe:2.3:h:qnap:tl-r1220sep-rp:-:*:*:*:*:*:*:*not specified by NVDRunning onQNAP
cpe:2.3:o:qnap:tl-d1600s_firmware:*:*:*:*:*:*:*:*before 1.0.6VulnerableQNAP
cpe:2.3:h:qnap:tl-d1600s:-:*:*:*:*:*:*:*not specified by NVDRunning onQNAP
  • cpe:2.3:o:qnap:ej1600_firmware:*:*:*:*:*:*:*:* Versions before 1.0.6 Vulnerable ·QNAP
  • cpe:2.3:h:qnap:ej1600:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·QNAP
  • cpe:2.3:o:qnap:tl-r1620sdc_firmware:*:*:*:*:*:*:*:* Versions before 1.0.6 Vulnerable ·QNAP
  • cpe:2.3:h:qnap:tl-r1620sdc:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·QNAP
  • cpe:2.3:o:qnap:tl-r1620sep-rp_firmware:*:*:*:*:*:*:*:* Versions before 1.0.6 Vulnerable ·QNAP
  • cpe:2.3:h:qnap:tl-r1620sep-rp:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·QNAP
  • cpe:2.3:o:qnap:tl-r1220sep-rp_firmware:*:*:*:*:*:*:*:* Versions before 1.0.6 Vulnerable ·QNAP
  • cpe:2.3:h:qnap:tl-r1220sep-rp:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·QNAP
  • cpe:2.3:o:qnap:tl-d1600s_firmware:*:*:*:*:*:*:*:* Versions before 1.0.6 Vulnerable ·QNAP
  • cpe:2.3:h:qnap:tl-d1600s:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·QNAP
Show 18 more CPE
CPEVersionsRoleVendor
cpe:2.3:o:qnap:tl-d800s_firmware:*:*:*:*:*:*:*:*before 1.0.6VulnerableQNAP
cpe:2.3:h:qnap:tl-d800s:-:*:*:*:*:*:*:*not specified by NVDRunning onQNAP
cpe:2.3:o:qnap:tl-d400s_firmware:*:*:*:*:*:*:*:*before 1.0.6VulnerableQNAP
cpe:2.3:h:qnap:tl-d400s:-:*:*:*:*:*:*:*not specified by NVDRunning onQNAP
cpe:2.3:o:qnap:tl-r1200s-rp_firmware:*:*:*:*:*:*:*:*before 1.0.6VulnerableQNAP
cpe:2.3:h:qnap:tl-r1200s-rp:-:*:*:*:*:*:*:*not specified by NVDRunning onQNAP
cpe:2.3:o:qnap:tl-r400s_firmware:*:*:*:*:*:*:*:*before 1.0.6VulnerableQNAP
cpe:2.3:h:qnap:tl-r400s:-:*:*:*:*:*:*:*not specified by NVDRunning onQNAP
cpe:2.3:o:qnap:tl-r1200c-rp_firmware:*:*:*:*:*:*:*:*before 1.0.6VulnerableQNAP
cpe:2.3:h:qnap:tl-r1200c-rp:-:*:*:*:*:*:*:*not specified by NVDRunning onQNAP
cpe:2.3:o:qnap:tl-d800c_firmware:*:*:*:*:*:*:*:*before 1.0.6VulnerableQNAP
cpe:2.3:h:qnap:tl-d800c:-:*:*:*:*:*:*:*not specified by NVDRunning onQNAP
cpe:2.3:o:qnap:tr-004_firmware:*:*:*:*:*:*:*:*before 1.0.6VulnerableQNAP
cpe:2.3:h:qnap:tr-004:-:*:*:*:*:*:*:*not specified by NVDRunning onQNAP
cpe:2.3:o:qnap:tr-002_firmware:*:*:*:*:*:*:*:*before 1.0.6VulnerableQNAP
cpe:2.3:h:qnap:tr-002:-:*:*:*:*:*:*:*not specified by NVDRunning onQNAP
cpe:2.3:o:qnap:tr-004u_firmware:*:*:*:*:*:*:*:*before 1.0.6VulnerableQNAP
cpe:2.3:h:qnap:tr-004u:-:*:*:*:*:*:*:*not specified by NVDRunning onQNAP
  • cpe:2.3:o:qnap:tl-d800s_firmware:*:*:*:*:*:*:*:* Versions before 1.0.6 Vulnerable ·QNAP
  • cpe:2.3:h:qnap:tl-d800s:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·QNAP
  • cpe:2.3:o:qnap:tl-d400s_firmware:*:*:*:*:*:*:*:* Versions before 1.0.6 Vulnerable ·QNAP
  • cpe:2.3:h:qnap:tl-d400s:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·QNAP
  • cpe:2.3:o:qnap:tl-r1200s-rp_firmware:*:*:*:*:*:*:*:* Versions before 1.0.6 Vulnerable ·QNAP
  • cpe:2.3:h:qnap:tl-r1200s-rp:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·QNAP
  • cpe:2.3:o:qnap:tl-r400s_firmware:*:*:*:*:*:*:*:* Versions before 1.0.6 Vulnerable ·QNAP
  • cpe:2.3:h:qnap:tl-r400s:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·QNAP
  • cpe:2.3:o:qnap:tl-r1200c-rp_firmware:*:*:*:*:*:*:*:* Versions before 1.0.6 Vulnerable ·QNAP
  • cpe:2.3:h:qnap:tl-r1200c-rp:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·QNAP
  • cpe:2.3:o:qnap:tl-d800c_firmware:*:*:*:*:*:*:*:* Versions before 1.0.6 Vulnerable ·QNAP
  • cpe:2.3:h:qnap:tl-d800c:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·QNAP
  • cpe:2.3:o:qnap:tr-004_firmware:*:*:*:*:*:*:*:* Versions before 1.0.6 Vulnerable ·QNAP
  • cpe:2.3:h:qnap:tr-004:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·QNAP
  • cpe:2.3:o:qnap:tr-002_firmware:*:*:*:*:*:*:*:* Versions before 1.0.6 Vulnerable ·QNAP
  • cpe:2.3:h:qnap:tr-002:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·QNAP
  • cpe:2.3:o:qnap:tr-004u_firmware:*:*:*:*:*:*:*:* Versions before 1.0.6 Vulnerable ·QNAP
  • cpe:2.3:h:qnap:tr-004u:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·QNAP

Remediation

  • Fix · CNA NVR Storage Expansion (QNAP Systems Inc.) Fixed in 1.0.6 ( 2021/08/03 )

Fixed in the same release

Records fixed by the same vendor advisory or release, as the CNA lists them.

  • Release ·

    QNAP Systems NVR Storage Expansion 1.0.6 ( 2021/08/03 )

    2 records Highest priority Priority MEDIUM 2 MEDIUM

    Other records, highest priority first

    • TI-2021-13388 Stack Based Overflow Vulnerability in NVR Storage ExpansionPriority MEDIUM 45

Timeline

  1. 2026-10-02 Threatist record created from CVE-2021-34345
  2. 2026-10-03 Alias added: GHSA-vhmr-2r99-xhqw

References

Sources