6.7
MEDIUM CVSS 3.1
CVE-2025-20698
Qualcomm Power HAL Out-of-Bounds Write Privilege Escalation
Description

In Power HAL, there is a possible out of bounds write due to a missing bounds check. 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: ALPS09915400; Issue ID: MSV-3793.

INFO

Published Date :

Aug. 4, 2025, 2:15 a.m.

Last Modified :

Aug. 18, 2025, 3:41 p.m.

Remotely Exploit :

No
Affected Products

The following products are affected by CVE-2025-20698 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 mt6781
2 Mediatek mt6789
3 Mediatek mt6833
4 Mediatek mt6835
5 Mediatek mt6853
6 Mediatek mt6855
7 Mediatek mt6877
8 Mediatek mt6878
9 Mediatek mt6879
10 Mediatek mt6883
11 Mediatek mt6885
12 Mediatek mt6886
13 Mediatek mt6889
14 Mediatek mt6893
15 Mediatek mt6895
16 Mediatek mt6897
17 Mediatek mt6985
18 Mediatek mt6989
19 Mediatek mt6739
20 Mediatek mt6761
21 Mediatek mt6765
22 Mediatek mt6768
23 Mediatek mt6983
24 Mediatek mt8786
25 Mediatek mt8676
26 Mediatek mt8678
27 Mediatek mt8775
28 Mediatek mt8792
29 Mediatek mt8796
30 Mediatek mt8893
31 Mediatek mt8186
32 Mediatek mt6899
33 Mediatek mt6991
34 Mediatek mt8788e
35 Mediatek mt8196
36 Mediatek mt2718
37 Mediatek mt8391
38 Mediatek mt8873
39 Mediatek mt8883
1 Google android
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 134c704f-9b21-4f2e-91b3-4a467353bcc0
Solution
Apply vendor patch and implement bounds checking to prevent out-of-bounds write vulnerabilities.
  • Review and apply the vendor-provided patch.
  • Implement strict bounds checking in Power HAL.
  • Validate all user inputs for boundary conditions.
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-2025-20698.

URL Resource
https://corp.mediatek.com/product-security-bulletin/August-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-2025-20698 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-2025-20698 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-2025-20698 vulnerability anywhere in the article.

  • Daily CyberSecurity
MediaTek Chipset Flaws: Out-of-Bounds Write Vulnerabilities Expose Smartphones & IoT Devices

MediaTek, one of the world’s leading chipset manufacturers, has published its latest Product Security Bulletin, revealing several security vulnerabilities affecting a wide range of its chipsets used i ... Read more

Published Date: Aug 04, 2025 (3 weeks, 4 days ago)

The following table lists the changes that have been made to the CVE-2025-20698 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]

    Aug. 18, 2025

    Action Type Old Value New Value
    Added CPE Configuration AND OR *cpe:2.3:o:google:android:13.0:*:*:*:*:*:*:* *cpe:2.3:o:google:android:14.0:*:*:*:*:*:*:* *cpe:2.3:o:google:android:15.0:*:*:*:*:*:*:* OR cpe:2.3:h:mediatek:mt6768:-:*:*:*:*:*:*:* cpe:2.3:h:mediatek:mt6761:-:*:*:*:*:*:*:* cpe:2.3:h:mediatek:mt6765:-:*:*:*:*:*:*:* cpe:2.3:h:mediatek:mt6739:-:*:*:*:*:*:*:* cpe:2.3:h:mediatek:mt6833:-:*:*:*:*:*:*:* cpe:2.3:h:mediatek:mt6853:-:*:*:*:*:*:*:* cpe:2.3:h:mediatek:mt6781:-:*:*:*:*:*:*:* cpe:2.3:h:mediatek:mt6855:-:*:*:*:*:*:*:* cpe:2.3:h:mediatek:mt6877:-:*:*:*:*:*:*:* cpe:2.3:h:mediatek:mt6879:-:*:*:*:*:*:*:* cpe:2.3:h:mediatek:mt6883:-:*:*:*:*:*:*:* cpe:2.3:h:mediatek:mt6885:-:*:*:*:*:*:*:* cpe:2.3:h:mediatek:mt6889:-:*:*:*:*:*:*:* cpe:2.3:h:mediatek:mt6893:-:*:*:*:*:*:*:* cpe:2.3:h:mediatek:mt6983:-:*:*:*:*:*:*:* cpe:2.3:h:mediatek:mt6985:-:*:*:*:*:*:*:* cpe:2.3:h:mediatek:mt8186:-:*:*:*:*:*:*:* cpe:2.3:h:mediatek:mt8786:-:*:*:*:*:*:*:* cpe:2.3:h:mediatek:mt2718:-:*:*:*:*:*:*:* cpe:2.3:h:mediatek:mt6789:-:*:*:*:*:*:*:* cpe:2.3:h:mediatek:mt6835:-:*:*:*:*:*:*:* cpe:2.3:h:mediatek:mt6878:-:*:*:*:*:*:*:* cpe:2.3:h:mediatek:mt6886:-:*:*:*:*:*:*:* cpe:2.3:h:mediatek:mt6895:-:*:*:*:*:*:*:* cpe:2.3:h:mediatek:mt6897:-:*:*:*:*:*:*:* cpe:2.3:h:mediatek:mt6899:-:*:*:*:*:*:*:* cpe:2.3:h:mediatek:mt6989:-:*:*:*:*:*:*:* cpe:2.3:h:mediatek:mt6991:-:*:*:*:*:*:*:* cpe:2.3:h:mediatek:mt8196:-:*:*:*:*:*:*:* cpe:2.3:h:mediatek:mt8391:-:*:*:*:*:*:*:* cpe:2.3:h:mediatek:mt8676:-:*:*:*:*:*:*:* cpe:2.3:h:mediatek:mt8678:-:*:*:*:*:*:*:* cpe:2.3:h:mediatek:mt8775:-:*:*:*:*:*:*:* cpe:2.3:h:mediatek:mt8788e:-:*:*:*:*:*:*:* cpe:2.3:h:mediatek:mt8792:-:*:*:*:*:*:*:* cpe:2.3:h:mediatek:mt8796:-:*:*:*:*:*:*:* cpe:2.3:h:mediatek:mt8873:-:*:*:*:*:*:*:* cpe:2.3:h:mediatek:mt8883:-:*:*:*:*:*:*:* cpe:2.3:h:mediatek:mt8893:-:*:*:*:*:*:*:*
    Added Reference Type MediaTek, Inc.: https://corp.mediatek.com/product-security-bulletin/August-2025 Types: Vendor Advisory
  • CVE Modified by 134c704f-9b21-4f2e-91b3-4a467353bcc0

    Aug. 04, 2025

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

    Aug. 04, 2025

    Action Type Old Value New Value
    Added Description In Power HAL, there is a possible out of bounds write due to a missing bounds check. 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: ALPS09915400; Issue ID: MSV-3793.
    Added CWE CWE-787
    Added Reference https://corp.mediatek.com/product-security-bulletin/August-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: 6.7
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality Impact
Integrity Impact
Availability Impact