CVE-2025-66678 Other in n/a
Attackers can execute arbitrary read and write operations via crafted requests in the Nil Hardware Editor utility, potentially leading to system compromise.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2025-66678?
CVE-2025-66678 is a critical vulnerability in n/a, published on 4 Mar 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
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.
Weakness: CWE-89
Which versions are affected by CVE-2025-66678?
It affects 1 product.
Products include Faintsnow Hardware Read \& Write Utility.
How do I fix CVE-2025-66678?
No fix has been published for CVE-2025-66678 yet. Limit exposure of the affected software until one is available.
Is CVE-2025-66678 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2025-66678 exists.
Public exploit code: 1 proofs of concept on GitHub.
Sources
Also known as GHSA-45cq-3756-7x8c.