A buffer overflow vulnerability has been reported to affect several QNAP operating system versions. If a remote attacker gains an administrator account, they can then exploit the vulnerability to modify memory or crash processes.
We have already fixed the vulnerability in the following version:
QTS 5.2.8.3332 build 20251128 and later
Metrics
Affected Vendors & Products
References
| Link | Providers |
|---|---|
| https://www.qnap.com/en/security-advisory/qsa-25-51 |
|
History
Tue, 06 Jan 2026 14:00:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| First Time appeared |
Qnap quts Hero
|
|
| Weaknesses | CWE-787 | |
| CPEs | cpe:2.3:o:qnap:qts:5.2.0.2737:build_20240417:*:*:*:*:*:* cpe:2.3:o:qnap:qts:5.2.0.2744:build_20240424:*:*:*:*:*:* cpe:2.3:o:qnap:qts:5.2.0.2782:build_20240601:*:*:*:*:*:* cpe:2.3:o:qnap:qts:5.2.0.2802:build_20240620:*:*:*:*:*:* cpe:2.3:o:qnap:qts:5.2.0.2823:build_20240711:*:*:*:*:*:* cpe:2.3:o:qnap:qts:5.2.0.2851:build_20240808:*:*:*:*:*:* cpe:2.3:o:qnap:qts:5.2.0.2860:build_20240817:*:*:*:*:*:* cpe:2.3:o:qnap:qts:5.2.1.2930:build_20241025:*:*:*:*:*:* cpe:2.3:o:qnap:qts:5.2.2.2950:build_20241114:*:*:*:*:*:* cpe:2.3:o:qnap:qts:5.2.3.3006:build_20250108:*:*:*:*:*:* cpe:2.3:o:qnap:qts:5.2.4.3070:build_20250312:*:*:*:*:*:* cpe:2.3:o:qnap:qts:5.2.4.3079:build_20250321:*:*:*:*:*:* cpe:2.3:o:qnap:qts:5.2.4.3092:build_20250403:*:*:*:*:*:* cpe:2.3:o:qnap:qts:5.2.5.3145:build_20250526:*:*:*:*:*:* cpe:2.3:o:qnap:qts:5.2.6.3195:build_20250715:*:*:*:*:*:* cpe:2.3:o:qnap:qts:5.2.6.3229:build_20250818:*:*:*:*:*:* cpe:2.3:o:qnap:qts:5.2.7.3256:build_20250913:*:*:*:*:*:* cpe:2.3:o:qnap:qts:5.2.7.3297:build_20251024:*:*:*:*:*:* cpe:2.3:o:qnap:quts_hero:h5.2.0.2737:build_20240417:*:*:*:*:*:* cpe:2.3:o:qnap:quts_hero:h5.2.0.2782:build_20240601:*:*:*:*:*:* cpe:2.3:o:qnap:quts_hero:h5.2.0.2789:build_20240607:*:*:*:*:*:* cpe:2.3:o:qnap:quts_hero:h5.2.0.2802:build_20240620:*:*:*:*:*:* cpe:2.3:o:qnap:quts_hero:h5.2.0.2823:build_20240711:*:*:*:*:*:* cpe:2.3:o:qnap:quts_hero:h5.2.0.2851:build_20240808:*:*:*:*:*:* cpe:2.3:o:qnap:quts_hero:h5.2.0.2860:build_20240817:*:*:*:*:*:* cpe:2.3:o:qnap:quts_hero:h5.2.1.2929:build_20241025:*:*:*:*:*:* cpe:2.3:o:qnap:quts_hero:h5.2.1.2940:build_20241105:*:*:*:*:*:* cpe:2.3:o:qnap:quts_hero:h5.2.2.2952:build_20241116:*:*:*:*:*:* cpe:2.3:o:qnap:quts_hero:h5.2.3.3006:build_20250108:*:*:*:*:*:* cpe:2.3:o:qnap:quts_hero:h5.2.4.3070:build_20250312:*:*:*:*:*:* cpe:2.3:o:qnap:quts_hero:h5.2.4.3079:build_20250321:*:*:*:*:*:* cpe:2.3:o:qnap:quts_hero:h5.2.5.3138:build_20250519:*:*:*:*:*:* cpe:2.3:o:qnap:quts_hero:h5.2.6.3195:build_20250715:*:*:*:*:*:* cpe:2.3:o:qnap:quts_hero:h5.2.7.3256:build_20250913:*:*:*:*:*:* cpe:2.3:o:qnap:quts_hero:h5.2.7.3297:build_20251024:*:*:*:*:*:* cpe:2.3:o:qnap:quts_hero:h5.3.0.3115:build_20250430:*:*:*:*:*:* cpe:2.3:o:qnap:quts_hero:h5.3.0.3145:build_20250530:*:*:*:*:*:* cpe:2.3:o:qnap:quts_hero:h5.3.0.3192:build_20250716:*:*:*:*:*:* |
|
| Vendors & Products |
Qnap quts Hero
|
|
| Metrics |
cvssV3_1
|
Tue, 06 Jan 2026 00:15:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Metrics |
ssvc
|
Mon, 05 Jan 2026 10:45:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| First Time appeared |
Qnap
Qnap qts |
|
| Vendors & Products |
Qnap
Qnap qts |
Fri, 02 Jan 2026 15:30:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Description | A buffer overflow vulnerability has been reported to affect several QNAP operating system versions. If a remote attacker gains an administrator account, they can then exploit the vulnerability to modify memory or crash processes. We have already fixed the vulnerability in the following version: QTS 5.2.8.3332 build 20251128 and later | |
| Title | QTS, QuTS hero | |
| Weaknesses | CWE-121 | |
| References |
| |
| Metrics |
cvssV4_0
|
Status: PUBLISHED
Assigner: qnap
Published: 2026-01-02T15:19:40.492Z
Updated: 2026-01-05T20:38:31.940Z
Reserved: 2025-10-24T02:43:49.269Z
Link: CVE-2025-62852
Updated: 2026-01-05T20:30:26.156Z
Status : Analyzed
Published: 2026-01-02T16:17:00.850
Modified: 2026-01-06T13:56:14.357
Link: CVE-2025-62852
No data.