CVE-2021-28816
CVE.org · Published
- Record status
- Published
- Identifier year (not publication year)
- 2021
- Source publication
- Source updated
- Imported by cveboard
- Source snapshot
- cve_2026-10-24_midnight_baseline ·
CNA source text (English)
Stack Buffer Overflow Vulnerabilities in QTS, QuTS hero, and QuTScloud
A stack buffer overflow vulnerability has been reported to affect QNAP device running QTS, QuTScloud, QuTS hero. If exploited, this vulnerability allows attackers to execute arbitrary code. We have already fixed this vulnerability in the following versions of QTS, QuTScloud, QuTS hero: QTS 4.5.4.1715 build 20210630 and later QTS 5.0.0.1716 build 20210701 and later QTS 4.3.3.1693 build 20210624 and later QTS 4.3.6.1750 build 20210730 and later QuTScloud c4.5.6.1755 and later QuTS hero h4.5.4.1771 build 20210825 and later
Scoped product and version facts
Fix information unknown; no fixed version is derived here. Missing information does not prove that no fix exists.
Exploitation unknown; this catalogue does not assess exploitation.
QTS
- Vendor
- QNAP Systems Inc.
- Product
- QTS
- Platforms
- Unknown
- Default status
Unknown
| Version (version) | Status (status) | Version scheme (versionType) | Exclusive end (lessThan) | Inclusive end (lessThanOrEqual) | Status changes (at → status) |
|---|---|---|---|---|---|
| unspecified | affected | custom | 4.5.4.1715 build 20210630 | Unavailable | None listed |
| unspecified | affected | custom | 5.0.0.1716 build 20210701 | Unavailable | None listed |
| unspecified | affected | custom | 4.3.3.1693 build 20210624 | Unavailable | None listed |
| unspecified | affected | custom | 4.3.6.1750 build 20210730 | Unavailable | None listed |
QuTScloud
- Vendor
- QNAP Systems Inc.
- Product
- QuTScloud
- Platforms
- Unknown
- Default status
Unknown
| Version (version) | Status (status) | Version scheme (versionType) | Exclusive end (lessThan) | Inclusive end (lessThanOrEqual) | Status changes (at → status) |
|---|---|---|---|---|---|
| unspecified | affected | custom | c4.5.6.1755 | Unavailable | None listed |
QuTS hero
- Vendor
- QNAP Systems Inc.
- Product
- QuTS hero
- Platforms
- Unknown
- Default status
Unknown
| Version (version) | Status (status) | Version scheme (versionType) | Exclusive end (lessThan) | Inclusive end (lessThanOrEqual) | Status changes (at → status) |
|---|---|---|---|---|---|
| unspecified | affected | custom | h4.5.4.1771 build 20210825 | Unavailable | None listed |