Back to search
CVE-2025-66277
Published: Feb 11, 2026
Modified: Feb 26, 2026
PUBLISHED
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
| Vendor | Product | Versions |
|---|---|---|
QNAP Systems Inc. | QTS | affected 5.2.x - < 5.2.8.3350 build 20251216 |
QNAP Systems Inc. | QuTS hero | affected h5.3.x - < h5.3.2.3354 build 20251225affected h5.2.x - < h5.2.8.3350 build 20251216 |
Weaknesses (CWE)
Security Training
Train your team to recognize and prevent security threats with our comprehensive security awareness program.
Start TrainingVulnerability Scanning
Discover vulnerabilities in your applications and infrastructure before attackers do.
Scan Now