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Vulnerabilities

Vulnerability · CVE-2025-66678

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…

Published Mar 4, 2026 · catalog updated Jun 17, 2026 · hardware read & write utility

Check if you run it

No confirmed exploitation is on record for CVE-2025-66678. EPSS is 0.67%. Act only if a listed version of hardware read & write utility is installed.

Gaps on this record

  • No vendor fix or required action is stored. Compare the linked advisory before you change production.
Severity
Critical9.8
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
0.67%
Remediation
Version ranges on file
Affected products
cpe faintsnow/hardware read & write utility · stated hardware read & write utility

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.

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • cpe faintsnow/hardware read & write utilityversion unspecified
  • stated hardware read & write utility<= 25.11.26

How to fix CVE-2025-66678

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

No confirmed exploitation is on record for CVE-2025-66678. EPSS is 0.67%. Act only if a listed version of hardware read & write utility is installed.

Which versions are affected?

Compare what you have installed with hardware read & write utility <= 25.11.26. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

CWE-89: SQL Injection. EPSS 0.67%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Code

The project this record applies to. Exploit listings stay in References.

Timeline

Detection, updates, and resolution for this record.

  1. Mar 4, 2026 · NIST NVD

    Detected

    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.

  2. Jun 17, 2026 · NIST NVD

    Updated

    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.

Sources

  • CVE.orgVulnerability recordCVE-2025-66678

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2025-66678

    30-day exploitation probability 0.7%

    first.org
  • NIST NVDVulnerability recordCVE-2025-66678

    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.

    nvd.nist.gov

References

Freshness

Last verified in this catalog Oct 18, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.