CVE-2025-66678

9.8 criticalEPSS 0.7%

Critical (9.8) in faintsnow hardware read \& write utility. EPSS 0.7% chance of exploitation in the next 30 days.

An issue in the HwRwDrv.sys component of Nil Hardware Editor Hardware Read & Write Utility v1.25.11.26 and earlier allows attackers to execute arbitrary read and write operations via a crafted request.

Severity

CVSS 3.1

9.8 critical

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS: 0.7% chance of exploitation in the next 30 days; higher than 54% of CVEs (scores of 2026-10-31)
CWE: CWE-89
Published: 2026-03-04
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

faintsnow:hardware_read_\&_write_utility

References

https://github.com/Faintsnow/HE
https://github.com/cwjchoi01/CVE-2025-66678

Check your stack JSON