7.0
HIGH CVSS 4.0
CVE-2025-14303
MSI|Motherboard - Protection Mechanism Failure
Description

Certain motherboard models developed by MSI has a Protection Mechanism Failure vulnerability. Because IOMMU was not properly enabled, unauthenticated physical attackers can use a DMA-capable PCIe device to read and write arbitrary physical memory before the OS kernel and its security features are loaded.

INFO

Published Date :

Dec. 17, 2025, 3:15 a.m.

Last Modified :

Dec. 17, 2025, 3:15 a.m.

Remotely Exploit :

No
Affected Products

The following products are affected by CVE-2025-14303 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

No affected product recoded yet

CVSS Scores
The Common Vulnerability Scoring System is a standardized framework for assessing the severity of vulnerabilities in software and systems. We collect and displays CVSS scores from various sources for each CVE.
Score Version Severity Vector Exploitability Score Impact Score Source
CVSS 3.1 MEDIUM cded6c7f-6ce5-4948-8f87-aa7a3bbb6b0e
CVSS 3.1 MEDIUM [email protected]
CVSS 4.0 HIGH cded6c7f-6ce5-4948-8f87-aa7a3bbb6b0e
CVSS 4.0 HIGH [email protected]
Solution
Enable IOMMU to prevent DMA attacks via PCIe devices on vulnerable MSI motherboards.
  • Enable IOMMU in the motherboard BIOS settings.
  • Update motherboard firmware to the latest version.
  • Restrict physical access to DMA-capable PCIe slots.
References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2025-14303.

URL Resource
https://csr.msi.com/global/product-security-advisories
https://www.twcert.org.tw/en/cp-139-10577-3cd58-2.html
https://www.twcert.org.tw/tw/cp-132-10576-0a0fd-1.html
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2025-14303 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2025-14303 weaknesses.

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2025-14303 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2025-14303 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • New CVE Received by [email protected]

    Dec. 17, 2025

    Action Type Old Value New Value
    Added Description Certain motherboard models developed by MSI has a Protection Mechanism Failure vulnerability. Because IOMMU was not properly enabled, unauthenticated physical attackers can use a DMA-capable PCIe device to read and write arbitrary physical memory before the OS kernel and its security features are loaded.
    Added CVSS V4.0 AV:P/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
    Added CVSS V3.1 AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
    Added CWE CWE-693
    Added Reference https://csr.msi.com/global/product-security-advisories
    Added Reference https://www.twcert.org.tw/en/cp-139-10577-3cd58-2.html
    Added Reference https://www.twcert.org.tw/tw/cp-132-10576-0a0fd-1.html
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
Vulnerability Scoring Details
Base CVSS Score: 7
Attack Vector
Attack Complexity
Attack Requirements
Privileges Required
User Interaction
VS Confidentiality
VS Integrity
VS Availability
SS Confidentiality
SS Integrity
SS Availability
Base CVSS Score: 6.8
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality Impact
Integrity Impact
Availability Impact