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Vulnerabilities

Vulnerability · CVE-2025-3052

An arbitrary write vulnerability in Microsoft signed UEFI firmware allows for code execution of untrusted software.

Published Jun 10, 2025 · catalog updated Jun 10, 2025 · DT Research Dtbios

Check if you run it

No confirmed exploitation is on record for CVE-2025-3052. EPSS is 0.43%. Act only if a listed version of DT Research Dtbios is installed.

Gaps on this record

  • No vendor fix or required action is stored. Compare the linked advisory before you change production.
Severity
High8.2
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
0.43%
Remediation
Vendor / distro source
Affected products
vendor DT Research Dtbios 70.21

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.

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.

  • vendor DT Research Dtbios 70.2170.21

How to fix CVE-2025-3052

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-2025-3052. EPSS is 0.43%. Act only if a listed version of DT Research Dtbios is installed.

Which versions are affected?

Compare what you have installed with DT Research Dtbios 70.21 70.21. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

No weakness class is stored. EPSS 0.43%. 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.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

  1. Jun 10, 2025 · EUVD

    Detected

    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.

  2. Jun 10, 2025 · EUVD

    Updated

    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.

Sources

  • CVE.orgVulnerability recordCVE-2025-3052

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2025-3052

    30-day exploitation probability 0.4%

    first.org
  • EUVDVulnerability recordEUVD-2025-17820

    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 t

    euvd.enisa.europa.eu

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.