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7.8
HIGH CVSS 3.1
CVE-2025-20706
mbrain Use After Free Memory Corruption Vulnerability
Description

In mbrain, there is a possible memory corruption due to use after free. This could lead to local escalation of privilege if a malicious actor has already obtained the System privilege. User interaction is not needed for exploitation. Patch ID: ALPS09924624; Issue ID: MSV-3826.

INFO

Published Date :

Sept. 1, 2025, 6:15 a.m.

Last Modified :

Sept. 3, 2025, 4:06 p.m.

Remotely Exploit :

No

Source :

[email protected]
Affected Products

The following products are affected by CVE-2025-20706 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.

ID Vendor Product Action
1 Mediatek mt6989
2 Mediatek mt8676
3 Mediatek mt8678
4 Mediatek mt6899
5 Mediatek mt6991
1 Google android
: Total Affected Vendor : 2 | Products : 6
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 HIGH 134c704f-9b21-4f2e-91b3-4a467353bcc0
Solution
Address memory corruption by applying available patches.
  • Apply security updates from the vendor.
  • Verify the integrity of the system.
  • Test the system after patching.
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-2025-20706.

URL Resource
https://corp.mediatek.com/product-security-bulletin/September-2025 Vendor Advisory
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2025-20706 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-2025-20706 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-2025-20706 vulnerability anywhere in the article.

  • CybersecurityNews
MediaTek Security Update – Patch for Multiple Vulnerabilities Across Chipsets

MediaTek today published a critical security bulletin addressing several vulnerabilities across its latest modem chipsets, urging device OEMs to deploy updates immediately. The bulletin, issued two mo ... Read more

Published Date: Sep 01, 2025 (2 days, 4 hours ago)
  • Daily CyberSecurity
MediaTek September 2025 Security Bulletin: High-Severity Modem Flaws Could Enable Remote Attacks

MediaTek has published its September 2025 Product Security Bulletin, disclosing several high- and medium-severity vulnerabilities affecting a wide range of its chipsets. While there is “no evidence th ... Read more

Published Date: Sep 01, 2025 (2 days, 10 hours ago)

Results are limited to the first 20 news articles due to potential performance issues.

The following table lists the changes that have been made to the CVE-2025-20706 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.

  • Initial Analysis by [email protected]

    Sep. 03, 2025

    Action Type Old Value New Value
    Added CPE Configuration AND OR *cpe:2.3:o:google:android:14.0:*:*:*:*:*:*:* *cpe:2.3:o:google:android:15.0:*:*:*:*:*:*:* OR cpe:2.3:h:mediatek:mt6989:-:*:*:*:*:*:*:* cpe:2.3:h:mediatek:mt8676:-:*:*:*:*:*:*:* cpe:2.3:h:mediatek:mt8678:-:*:*:*:*:*:*:* cpe:2.3:h:mediatek:mt6991:-:*:*:*:*:*:*:* cpe:2.3:h:mediatek:mt6899:-:*:*:*:*:*:*:*
    Added Reference Type MediaTek, Inc.: https://corp.mediatek.com/product-security-bulletin/September-2025 Types: Vendor Advisory
  • CVE Modified by 134c704f-9b21-4f2e-91b3-4a467353bcc0

    Sep. 02, 2025

    Action Type Old Value New Value
    Added CVSS V3.1 AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
  • New CVE Received by [email protected]

    Sep. 01, 2025

    Action Type Old Value New Value
    Added Description In mbrain, there is a possible memory corruption due to use after free. This could lead to local escalation of privilege if a malicious actor has already obtained the System privilege. User interaction is not needed for exploitation. Patch ID: ALPS09924624; Issue ID: MSV-3826.
    Added CWE CWE-416
    Added Reference https://corp.mediatek.com/product-security-bulletin/September-2025
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: 7.8
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality Impact
Integrity Impact
Availability Impact