CVE-2025-3052

An arbitrary write vulnerability in Microsoft signed UEFI firmware from DT Research Inc.

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.

8.2

CVSS

Severity: High

CVSS 3.1 •

EPSS 0.01%

Affected: DT Research BiosFlashShell

Affected: DT Research Dtbios

References

Link	Tags
https://uefi.org/specs/UEFI/2.10/32_Secure_Boot_and_Driver_Signing.html
https://www.binarly.io/advisories/brly-dva-2025-001
https://www.kb.cert.org/vuls/id/806555

Frequently Asked Questions

What is the severity of CVE-2025-3052?: CVE-2025-3052 has been scored as a high severity vulnerability.
How to fix CVE-2025-3052?: To fix CVE-2025-3052, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2025-3052 being actively exploited in the wild?: As for now, there are no information to confirm that CVE-2025-3052 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2025-3052?: CVE-2025-3052 affects DT Research BiosFlashShell, DT Research BiosFlashShell, DT Research Dtbios, DT Research Dtbios, DT Research Dtbios, DT Research Dtbios, DT Research Dtbios, DT Research Dtbios, DT Research Dtbios, DT Research Dtbios, DT Research Dtbios, DT Research Dtbios, DT Research Dtbios, DT Research Dtbios.

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