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 versions:
QTS 5.2.9.3410 build 20260214 and later
QuTS hero h5.2.9.3410 build 20260214 and later
QuTS hero h5.3.4.3500 build 20260520 and later
QuTS hero h6.0.0.3397 build 20260206 and later
Metrics
Affected Vendors & Products
References
| Link | Providers |
|---|---|
| https://www.qnap.com/en/security-advisory/qsa-26-10 |
|
History
Fri, 12 Jun 2026 15:45:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| First Time appeared |
Qnap
Qnap qts Qnap quts Hero |
|
| 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:qts:5.2.8.3332:build_20251128:*:*:*:*:*:* cpe:2.3:o:qnap:qts:5.2.8.3350:build_20251216:*:*:*:*:*:* cpe:2.3:o:qnap:qts:5.2.8.3359:build_20251225:*:*:*:*:*:* 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:h5.2.8.3321:build_20251117:*:*:*:*:*:* cpe:2.3:o:qnap:quts_hero:h5.2.8.3350:build_20251216:*:*:*:*:*:* cpe:2.3:o:qnap:quts_hero:h5.2.8.3359:build_20251225:*:*:*:*:*:* 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:*:*:*:*:*:* cpe:2.3:o:qnap:quts_hero:h5.3.1.3250:build_20250912:*:*:*:*:*:* cpe:2.3:o:qnap:quts_hero:h5.3.1.3292:build_20251024:*:*:*:*:*:* cpe:2.3:o:qnap:quts_hero:h5.3.2.3354:build_20251225:*:*:*:*:*:* cpe:2.3:o:qnap:quts_hero:h5.3.3.3424:build_20260305:*:*:*:*:*:* cpe:2.3:o:qnap:quts_hero:h6.0.0.3324:build_20251125:*:*:*:*:*:* cpe:2.3:o:qnap:quts_hero:h6.0.0.3382:build_20260122:*:*:*:*:*:* |
|
| Vendors & Products |
Qnap
Qnap qts Qnap quts Hero |
|
| Metrics |
cvssV3_1
|
Tue, 09 Jun 2026 14:30:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Metrics |
ssvc
|
Tue, 09 Jun 2026 09:15:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| First Time appeared |
Qnap Systems
Qnap Systems qts Qnap Systems quts Hero |
|
| Vendors & Products |
Qnap Systems
Qnap Systems qts Qnap Systems quts Hero |
Tue, 09 Jun 2026 07:45:00 +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 versions: QTS 5.2.9.3410 build 20260214 and later QuTS hero h5.2.9.3410 build 20260214 and later QuTS hero h5.3.4.3500 build 20260520 and later QuTS hero h6.0.0.3397 build 20260206 and later | |
| Title | QTS, QuTS hero | |
| Weaknesses | CWE-121 | |
| References |
| |
| Metrics |
cvssV4_0
|
Status: PUBLISHED
Assigner: qnap
Published: 2026-06-09T06:17:30.787Z
Updated: 2026-06-09T13:11:28.903Z
Reserved: 2025-10-24T02:43:49.269Z
Link: CVE-2025-62858
Updated: 2026-06-09T13:11:25.494Z
Status : Analyzed
Published: 2026-06-09T08:16:26.503
Modified: 2026-06-12T15:44:57.313
Link: CVE-2025-62858
No data.