CVE-2025-12051

H2OFFT64.sys is potentially vulnerable to a buffer overflow.

Published Jan 14, 2026 CVSS 3.1 · 7.8 High EPSS < 1% KEV · Not listed
Description
The drivers in the tool packages use RTL_QUERY_REGISTRY_DIRECT flag to read a registry value to which an untrusted user-mode application may be able to cause a buffer overflow.

Remediation

Vendor Solution

H2OFFT (mobile) version 6.76.00 OEM tools: HP FlashWin version 6.51.00 HP Readback tool version 1.2.4.0 HP FlashVerifyUtility version 6.2.5.0 IsSecureBootKeyInstaller version 1.2.0.2

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
First Time appeared Insyde
Insyde insydeh2o
Vendors & Products Insyde
Insyde insydeh2o
Type Values Removed Values Added
Description The drivers in the tool packages use RTL_QUERY_REGISTRY_DIRECT flag to read a registry value to which an untrusted user-mode application may be able to cause a buffer overflow.
Title H2OFFT64.sys is potentially vulnerable to a buffer overflow.
Weaknesses CWE-787
References
Metrics cvssV3_1

{'score': 7.8, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
Insyde
Published
Updated
Jan 14, 2026, 11:27 PM
Reserved
Oct 22, 2025, 2:22 AM
Status
Deferred
Published
Jan 14, 2026, 2:15 AM
Modified
Jun 17, 2026, 8:31 AM