QTS, QuTS hero
Summary
| CVE | CVE-2025-47211 |
|---|---|
| State | PUBLISHED |
| Assigner | qnap |
| Source Priority | CVE Program / NVD first with legacy fallback |
| Published | 2025-10-03 19:15:43 UTC |
| Updated | 2026-06-17 09:27:36 UTC |
| Description | A path traversal 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 read the contents of unexpected files or system data. We have already fixed the vulnerability in the following versions: QTS 5.2.6.3195 build 20250715 and later QuTS hero h5.2.6.3195 build 20250715 and later |
Risk And Classification
Primary CVSS: v4.0 6.9 MEDIUM from [email protected]
CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
EPSS: 0.005550000 probability, percentile 0.451290000 (date 2026-10-18)
Problem Types: CWE-22 | CWE-22 CWE-22
| Version | Source | Type | Score | Severity | Vector |
|---|---|---|---|---|---|
| 4.0 | [email protected] | Secondary | 6.9 | MEDIUM | CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:X/C... |
| 4.0 | CNA | CVSS | 6.9 | MEDIUM | CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N |
| 3.1 | [email protected] | Primary | 4.9 | MEDIUM | CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N |
CVSS v4.0 Breakdown
Attack Vector
NetworkAttack Complexity
LowAttack Requirements
NonePrivileges Required
HighUser Interaction
NoneConfidentiality
HighIntegrity
NoneAvailability
NoneSub Conf.
NoneSub Integrity
NoneSub Availability
NoneCVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
CVSS v3.1 Breakdown
Attack Vector
NetworkAttack Complexity
LowPrivileges Required
HighUser Interaction
NoneScope
UnchangedConfidentiality
HighIntegrity
NoneAvailability
NoneCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N
NVD Known Affected Configurations (CPE 2.3)
| Type | Vendor | Product | Version | Update | Edition | Language |
|---|---|---|---|---|---|---|
| Operating System | Qnap | Qts | 5.2.0.2737 | build_20240417 | All | All |
| Operating System | Qnap | Qts | 5.2.0.2744 | build_20240424 | All | All |
| Operating System | Qnap | Qts | 5.2.0.2782 | build_20240601 | All | All |
| Operating System | Qnap | Qts | 5.2.0.2802 | build_20240620 | All | All |
| Operating System | Qnap | Qts | 5.2.0.2823 | build_20240711 | All | All |
| Operating System | Qnap | Qts | 5.2.0.2851 | build_20240808 | All | All |
| Operating System | Qnap | Qts | 5.2.0.2860 | build_20240817 | All | All |
| Operating System | Qnap | Qts | 5.2.1.2930 | build_20241025 | All | All |
| Operating System | Qnap | Qts | 5.2.2.2950 | build_20241114 | All | All |
| Operating System | Qnap | Qts | 5.2.3.3006 | build_20250108 | All | All |
| Operating System | Qnap | Qts | 5.2.4.3070 | build_20250312 | All | All |
| Operating System | Qnap | Qts | 5.2.4.3079 | build_20250321 | All | All |
| Operating System | Qnap | Qts | 5.2.4.3092 | build_20250403 | All | All |
| Operating System | Qnap | Qts | 5.2.5.3145 | build_20250526 | All | All |
| Operating System | Qnap | Quts Hero | h5.2.0.2737 | build_20240417 | All | All |
| Operating System | Qnap | Quts Hero | h5.2.0.2782 | build_20240601 | All | All |
| Operating System | Qnap | Quts Hero | h5.2.0.2789 | build_20240607 | All | All |
| Operating System | Qnap | Quts Hero | h5.2.0.2802 | build_20240620 | All | All |
| Operating System | Qnap | Quts Hero | h5.2.0.2823 | build_20240711 | All | All |
| Operating System | Qnap | Quts Hero | h5.2.0.2851 | build_20240808 | All | All |
| Operating System | Qnap | Quts Hero | h5.2.0.2860 | build_20240817 | All | All |
| Operating System | Qnap | Quts Hero | h5.2.1.2929 | build_20241025 | All | All |
| Operating System | Qnap | Quts Hero | h5.2.1.2940 | build_20241105 | All | All |
| Operating System | Qnap | Quts Hero | h5.2.2.2952 | build_20241116 | All | All |
| Operating System | Qnap | Quts Hero | h5.2.3.3006 | build_20250108 | All | All |
| Operating System | Qnap | Quts Hero | h5.2.4.3070 | build_20250312 | All | All |
| Operating System | Qnap | Quts Hero | h5.2.4.3079 | build_20250321 | All | All |
| Operating System | Qnap | Quts Hero | h5.2.5.3138 | build_20250519 | All | All |
Vendor Declared Affected Products
| Source | Vendor | Product | Version | Platforms |
|---|---|---|---|---|
| CNA | QNAP Systems Inc. | QTS | affected 5.2.x 5.2.6.3195 build 20250715 custom | Not specified |
| CNA | QNAP Systems Inc. | QuTS Hero | affected h5.2.x h5.2.6.3195 build 20250715 custom | Not specified |
References
| Reference | Source | Link | Tags |
|---|---|---|---|
| www.qnap.com/en/security-advisory/qsa-25-36 | [email protected] | www.qnap.com | Vendor Advisory |
| CVE Program record | CVE.ORG | www.cve.org | canonical |
| NVD vulnerability detail | NVD | nvd.nist.gov | canonical, analysis |
Vendor Comments And Credit
Discovery Credit
CNA: coral (en)
Additional Advisory Data
Solutions
CNA: We have already fixed the vulnerability in the following versions: QTS 5.2.6.3195 build 20250715 and later QuTS hero h5.2.6.3195 build 20250715 and later
There are currently no legacy QID mappings associated with this CVE.