CVE-2025-66277
Essential information
- Published
- 11/02/2026 13:15
- Modified
- 12/02/2026 17:01
- Author
- —
- Creator
- —
- CVSS
- 9.2 CRITICAL (v3) 9.2 CRITICAL (v4.0)
- CISA KEV
- No
- CWE
- —
- CVSS vector
-
—
—
CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/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 metrics
- Access vector
- —
- Access complexity
- —
- Authentication
- —
- Confidentiality impact
- —
- Integrity impact
- —
- Availability impact
- —
- Exploitability
- —
- Remediation level
- —
- Report confidence
- —
- Temporal score
- —
- Attack vector
- —
- Attack complexity
- —
- Privileges required
- —
- User interaction
- —
- Scope
- —
- Confidentiality impact
- —
- Integrity impact
- —
- Availability impact
- —
- Exploit code maturity
- —
- Remediation level
- —
- Report confidence
- —
- Temporal score
- —
- Attack vector
- NETWORK
- Attack complexity
- LOW
- Attack requirements
- PRESENT
- Privileges required
- NONE
- User interaction
- NONE
- Confidentiality (V)
- HIGH
- Confidentiality (S)
- NONE
- Integrity (V)
- HIGH
- Integrity (S)
- NONE
- Availability (V)
- HIGH
- Availability (S)
- NONE
- Exploit maturity
- NOT_DEFINED
Description
A link following vulnerability has been reported to affect several QNAP operating system versions. The remote attackers can then exploit the vulnerability to traverse the file system to unintended locations.
We have already fixed the vulnerability in the following versions:
QTS 5.2.8.3350 build 20251216 and later
QuTS hero h5.3.2.3354 build 20251225 and later
QuTS hero h5.2.8.3350 build 20251216 and later
NVD status
- Status
- Analyzed — CVE has been recently published to the CVE List and has been received by the NVD.
- Source
- [email protected]
- NVD
- View on NVD
Affected products (CPE)
| Product | CPE |
|---|---|
| qnap / qts | cpe:2.3:o:qnap:qts:5.2.0.2737:build_20240417:*:*:*:*:*:* |
| qnap / qts | cpe:2.3:o:qnap:qts:5.2.0.2744:build_20240424:*:*:*:*:*:* |
| qnap / qts | cpe:2.3:o:qnap:qts:5.2.0.2782:build_20240601:*:*:*:*:*:* |
| qnap / qts | cpe:2.3:o:qnap:qts:5.2.0.2802:build_20240620:*:*:*:*:*:* |
| qnap / qts | cpe:2.3:o:qnap:qts:5.2.0.2823:build_20240711:*:*:*:*:*:* |
| qnap / qts | cpe:2.3:o:qnap:qts:5.2.0.2851:build_20240808:*:*:*:*:*:* |
| qnap / qts | cpe:2.3:o:qnap:qts:5.2.0.2860:build_20240817:*:*:*:*:*:* |
| qnap / qts | cpe:2.3:o:qnap:qts:5.2.1.2930:build_20241025:*:*:*:*:*:* |
| qnap / qts | cpe:2.3:o:qnap:qts:5.2.2.2950:build_20241114:*:*:*:*:*:* |
| qnap / qts | cpe:2.3:o:qnap:qts:5.2.3.3006:build_20250108:*:*:*:*:*:* |
| qnap / qts | cpe:2.3:o:qnap:qts:5.2.4.3070:build_20250312:*:*:*:*:*:* |
| qnap / qts | cpe:2.3:o:qnap:qts:5.2.4.3079:build_20250321:*:*:*:*:*:* |
| qnap / qts | cpe:2.3:o:qnap:qts:5.2.4.3092:build_20250403:*:*:*:*:*:* |
| qnap / qts | cpe:2.3:o:qnap:qts:5.2.5.3145:build_20250526:*:*:*:*:*:* |
| qnap / qts | cpe:2.3:o:qnap:qts:5.2.6.3195:build_20250715:*:*:*:*:*:* |
| qnap / qts | cpe:2.3:o:qnap:qts:5.2.6.3229:build_20250818:*:*:*:*:*:* |
| qnap / qts | cpe:2.3:o:qnap:qts:5.2.7.3256:build_20250913:*:*:*:*:*:* |
| qnap / qts | cpe:2.3:o:qnap:qts:5.2.7.3297:build_20251024:*:*:*:*:*:* |
| qnap / qts | cpe:2.3:o:qnap:qts:5.2.8.3332:build_20251128:*:*:*:*:*:* |
| qnap / quts hero | cpe:2.3:o:qnap:quts_hero:h5.2.0.2737:build_20240417:*:*:*:*:*:* |
| qnap / quts hero | cpe:2.3:o:qnap:quts_hero:h5.2.0.2782:build_20240601:*:*:*:*:*:* |
| qnap / quts hero | cpe:2.3:o:qnap:quts_hero:h5.2.0.2789:build_20240607:*:*:*:*:*:* |
| qnap / quts hero | cpe:2.3:o:qnap:quts_hero:h5.2.0.2802:build_20240620:*:*:*:*:*:* |
| qnap / quts hero | cpe:2.3:o:qnap:quts_hero:h5.2.0.2823:build_20240711:*:*:*:*:*:* |
| qnap / quts hero | cpe:2.3:o:qnap:quts_hero:h5.2.0.2851:build_20240808:*:*:*:*:*:* |
| qnap / quts hero | cpe:2.3:o:qnap:quts_hero:h5.2.0.2860:build_20240817:*:*:*:*:*:* |
| qnap / quts hero | cpe:2.3:o:qnap:quts_hero:h5.2.1.2929:build_20241025:*:*:*:*:*:* |
| qnap / quts hero | cpe:2.3:o:qnap:quts_hero:h5.2.1.2940:build_20241105:*:*:*:*:*:* |
| qnap / quts hero | cpe:2.3:o:qnap:quts_hero:h5.2.2.2952:build_20241116:*:*:*:*:*:* |
| qnap / quts hero | cpe:2.3:o:qnap:quts_hero:h5.2.3.3006:build_20250108:*:*:*:*:*:* |
| qnap / quts hero | cpe:2.3:o:qnap:quts_hero:h5.2.4.3070:build_20250312:*:*:*:*:*:* |
| qnap / quts hero | cpe:2.3:o:qnap:quts_hero:h5.2.4.3079:build_20250321:*:*:*:*:*:* |
| qnap / quts hero | cpe:2.3:o:qnap:quts_hero:h5.2.5.3138:build_20250519:*:*:*:*:*:* |
| qnap / quts hero | cpe:2.3:o:qnap:quts_hero:h5.2.6.3195:build_20250715:*:*:*:*:*:* |
| qnap / quts hero | cpe:2.3:o:qnap:quts_hero:h5.2.7.3256:build_20250913:*:*:*:*:*:* |
| qnap / quts hero | cpe:2.3:o:qnap:quts_hero:h5.2.7.3297:build_20251024:*:*:*:*:*:* |
| qnap / quts hero | cpe:2.3:o:qnap:quts_hero:h5.2.8.3321:build_20251117:*:*:*:*:*:* |