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CVE-2025-20638

Quick assessment

Affected
MediaTek, Inc. MT6739, MT6761, MT6765, MT6768, MT6771, MT6779, MT6781, MT6785, MT6833, MT6853, MT6873, MT6877, MT6885, MT6893, MT8167, MT8167S, MT8175, MT8185, MT8195, MT8321, MT8362A, MT8365, MT8385, MT8395, MT8666, MT8667, MT8673, MT8675, MT8678, MT8765, MT8766, MT8768, MT8771, MT8775, MT8781, MT8786, MT8788, MT8789, MT8791T, MT8795T, MT8797, MT8798, MT8893
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

MediaTek Chipsets是中国联发科（MediaTek）公司的多款芯片。 MediaTek Chipsets存在安全漏洞，该漏洞源于DA模块包含一个未初始化的数据问题，可能导致读取未初始化的堆数据。

AI Predicted 5.3 Difficulty: Moderate EPSS 0.10% · P1

Possible ATT&CK Techniques 1 AI

T1005 · Data from Local System
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I. Basic Information for CVE-2025-20638

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
In DA, there is a possible read of uninitialized heap data due to uninitialized data. This could lead to local information disclosure, if an attacker has physical access to the device, with no additional execution privileges needed. User interaction is needed for exploitation. Patch ID: ALPS09291449; Issue ID: MSV-2066.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
使用未经初始化的变量
Source: CVE Program / CVE List V5
Vulnerability Title
MediaTek Chipsets 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
MediaTek Chipsets是中国联发科（MediaTek）公司的多款芯片。 MediaTek Chipsets存在安全漏洞，该漏洞源于DA模块包含一个未初始化的数据问题，可能导致读取未初始化的堆数据。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
MediaTek, Inc. MT6739, MT6761, MT6765, MT6768, MT6771, MT6779, MT6781, MT6785, MT6833, MT6853, MT6873, MT6877, MT6885, MT6893, MT8167, MT8167S, MT8175, MT8185, MT8195, MT8321, MT8362A, MT8365, MT8385, MT8395, MT8666, MT8667, MT8673, MT8675, MT8678, MT8765, MT8766, MT876 Android 12.0, 13.0, 14.0, 15.0 -

II. Public POCs for CVE-2025-20638

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III. Intelligence Information for CVE-2025-20638

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Vendor Advisories for CVE-2025-20638 (1)

Same Patch Batch · MediaTek, Inc. · 2025-02-03 · 16 CVEs total

CVE-2024-20147 MediaTek Chipsets 安全漏洞
CVE-2025-20643 MediaTek Chipsets 缓冲区错误漏洞
CVE-2025-20642 MediaTek Chipsets 缓冲区错误漏洞
CVE-2025-20641 MediaTek Chipsets 缓冲区错误漏洞
CVE-2025-20640 MediaTek Chipsets 缓冲区错误漏洞
CVE-2025-20639 MediaTek Chipsets 缓冲区错误漏洞
CVE-2024-20142 MediaTek Chipsets 缓冲区错误漏洞
CVE-2024-20141 MediaTek Chipsets 缓冲区错误漏洞
CVE-2025-20637 MediaTek Chipsets 代码问题漏洞
CVE-2025-20636 MediaTek Chipsets 缓冲区错误漏洞
CVE-2025-20635 MediaTek Chipsets 缓冲区错误漏洞
CVE-2025-20634 MediaTek Chipsets 缓冲区错误漏洞
CVE-2025-20631 MediaTek Chipsets 安全漏洞
CVE-2025-20632 MediaTek Chipsets 安全漏洞
CVE-2025-20633 MediaTek Chipsets 缓冲区错误漏洞

IV. Related Vulnerabilities

Same product: MT6739, MT6761, MT6765, MT6768, MT6771, MT6779, MT6781, MT6785, MT6833, MT6853, MT6873, MT6877, MT6885, MT6893, MT8167, MT8167S, MT8175, MT8185, MT8195, MT8321, MT8362A, MT8365, MT8385, MT8395, MT8666, MT8667, MT8673, MT8675, MT8678, MT8765, MT8766, MT8768, MT8771, MT8775, MT8781, MT8786, MT8788, MT8789, MT8791T, MT8795T, MT8797, MT8798, MT8893
Same vendor: MediaTek, Inc.
Same weakness: CWE-457

V. Comments for CVE-2025-20638

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