Stack Based Overflow Vulnerability in NVR Storage Expansion
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
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| QNAP | NVR Storage Expansion | before 1.0.6 ( 2021/08/03 ) | 1.0.6 ( 2021/08/03 ) | Patch available | CNA |
- 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
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:qnap:ej1600_firmware:*:*:*:*:*:*:*:* | before 1.0.6 | Vulnerable | QNAP |
| cpe:2.3:h:qnap:ej1600:-:*:*:*:*:*:*:* | not specified by NVD | Running on | QNAP |
| cpe:2.3:o:qnap:tl-r1620sdc_firmware:*:*:*:*:*:*:*:* | before 1.0.6 | Vulnerable | QNAP |
| cpe:2.3:h:qnap:tl-r1620sdc:-:*:*:*:*:*:*:* | not specified by NVD | Running on | QNAP |
| cpe:2.3:o:qnap:tl-r1620sep-rp_firmware:*:*:*:*:*:*:*:* | before 1.0.6 | Vulnerable | QNAP |
| cpe:2.3:h:qnap:tl-r1620sep-rp:-:*:*:*:*:*:*:* | not specified by NVD | Running on | QNAP |
| cpe:2.3:o:qnap:tl-r1220sep-rp_firmware:*:*:*:*:*:*:*:* | before 1.0.6 | Vulnerable | QNAP |
| cpe:2.3:h:qnap:tl-r1220sep-rp:-:*:*:*:*:*:*:* | not specified by NVD | Running on | QNAP |
| cpe:2.3:o:qnap:tl-d1600s_firmware:*:*:*:*:*:*:*:* | before 1.0.6 | Vulnerable | QNAP |
| cpe:2.3:h:qnap:tl-d1600s:-:*:*:*:*:*:*:* | not specified by NVD | Running on | QNAP |
- 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
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:qnap:tl-d800s_firmware:*:*:*:*:*:*:*:* | before 1.0.6 | Vulnerable | QNAP |
| cpe:2.3:h:qnap:tl-d800s:-:*:*:*:*:*:*:* | not specified by NVD | Running on | QNAP |
| cpe:2.3:o:qnap:tl-d400s_firmware:*:*:*:*:*:*:*:* | before 1.0.6 | Vulnerable | QNAP |
| cpe:2.3:h:qnap:tl-d400s:-:*:*:*:*:*:*:* | not specified by NVD | Running on | QNAP |
| cpe:2.3:o:qnap:tl-r1200s-rp_firmware:*:*:*:*:*:*:*:* | before 1.0.6 | Vulnerable | QNAP |
| cpe:2.3:h:qnap:tl-r1200s-rp:-:*:*:*:*:*:*:* | not specified by NVD | Running on | QNAP |
| cpe:2.3:o:qnap:tl-r400s_firmware:*:*:*:*:*:*:*:* | before 1.0.6 | Vulnerable | QNAP |
| cpe:2.3:h:qnap:tl-r400s:-:*:*:*:*:*:*:* | not specified by NVD | Running on | QNAP |
| cpe:2.3:o:qnap:tl-r1200c-rp_firmware:*:*:*:*:*:*:*:* | before 1.0.6 | Vulnerable | QNAP |
| cpe:2.3:h:qnap:tl-r1200c-rp:-:*:*:*:*:*:*:* | not specified by NVD | Running on | QNAP |
| cpe:2.3:o:qnap:tl-d800c_firmware:*:*:*:*:*:*:*:* | before 1.0.6 | Vulnerable | QNAP |
| cpe:2.3:h:qnap:tl-d800c:-:*:*:*:*:*:*:* | not specified by NVD | Running on | QNAP |
| cpe:2.3:o:qnap:tr-004_firmware:*:*:*:*:*:*:*:* | before 1.0.6 | Vulnerable | QNAP |
| cpe:2.3:h:qnap:tr-004:-:*:*:*:*:*:*:* | not specified by NVD | Running on | QNAP |
| cpe:2.3:o:qnap:tr-002_firmware:*:*:*:*:*:*:*:* | before 1.0.6 | Vulnerable | QNAP |
| cpe:2.3:h:qnap:tr-002:-:*:*:*:*:*:*:* | not specified by NVD | Running on | QNAP |
| cpe:2.3:o:qnap:tr-004u_firmware:*:*:*:*:*:*:*:* | before 1.0.6 | Vulnerable | QNAP |
| cpe:2.3:h:qnap:tr-004u:-:*:*:*:*:*:*:* | not specified by NVD | Running on | QNAP |
- 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
- 2026-10-02 Threatist record created from CVE-2021-34345
- 2026-10-03 Alias added: GHSA-vhmr-2r99-xhqw
References
Sources
- CVE-2021-34345 · CVE Program
- CVE-2021-34345 · NVD
- FIRST EPSS
- GHSA-vhmr-2r99-xhqw · GitHub Advisory Database · CC BY 4.0
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