CVE-2025-3052 An arbitrary write vulnerability in Microsoft signed UEFI firmware from DT Research Inc.
An arbitrary write vulnerability in DT Research UEFI firmware allows attackers to execute untrusted code and compromise the system.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2025-3052?
CVE-2025-3052 is a high-severity memory corruption vulnerability in DT Research BiosFlashShell, published on 10 Jun 2025. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
An arbitrary write vulnerability in Microsoft signed UEFI firmware allows for code execution of untrusted software. This allows an attacker to control its value, leading to arbitrary memory writes, including modification of critical firmware settings stored in NVRAM. Exploiting this vulnerability could enable security bypasses, persistence mechanisms, or full system compromise.
Which versions are affected by CVE-2025-3052?
How do I fix CVE-2025-3052?
No fix has been published for CVE-2025-3052 yet. Limit exposure of the affected software until one is available.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2025-3052 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2025-3052 exists.
Public exploit code: 2 proofs of concept on GitHub.
Sources
Also known as GHSA-q4rv-v64c-3hff.