๐Ÿ” CVE Alert

CVE-2025-66277

UNKNOWN 0.0

QTS, QuTS hero

CVSS Score
0.0
EPSS Score
0.0%
EPSS Percentile
0th

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

CWE CWE-59
Vendor qnap systems inc.
Product qts
Published Feb 11, 2026
Last Updated Feb 26, 2026
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Affected Versions

QNAP Systems Inc. / QTS
5.2.x < 5.2.8.3350 build 20251216
QNAP Systems Inc. / QuTS hero
h5.3.x < h5.3.2.3354 build 20251225 h5.2.x < h5.2.8.3350 build 20251216

References

NVD โ†— CVE.org โ†— EPSS Data โ†—
qnap.com: https://www.qnap.com/en/security-advisory/qsa-26-05

Credits

coral