VULNERABILITY INTELLIGENCE
CVE-2025-66277
CVSS score9.8 CRITICAL
EPSS probability0.71%
CISA KEVNot currently listed
Published2026-02-11
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
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
Weakness classification
- security@qnapsecurity.com.tw: CWE-59
Primary references
- security@qnapsecurity.com.tw — Vendor Advisory