CVE-2026-20418
Quick assessment
Affected
MediaTek, Inc. MediaTek chipset
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）公司的一系列芯片。 MediaTek Chipsets存在安全漏洞，该漏洞源于Thread缺少边界检查，可能导致远程权限提升。
Possible ATT&CK Techniques 2 AI
T1190 · Exploit Public-Facing Application T1203 · Exploitation for Client Execution
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I. Basic Information for CVE-2026-20418
Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
In Thread, there is a possible out of bounds write due to a missing bounds check. This could lead to remote escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation. Patch ID: WCNCR00465153; Issue ID: MSV-4927.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
跨界内存写
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）公司的一系列芯片。 MediaTek Chipsets存在安全漏洞，该漏洞源于Thread缺少边界检查，可能导致远程权限提升。
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. | MediaTek chipset | MT7931 | - |
|
II. Public POCs for CVE-2026-20418
| # | POC Description | Source Link | Shenlong Link |
|---|
AI-Generated POC
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Vendor Advisories for CVE-2026-20418 (1)
Same Patch Batch · MediaTek, Inc. · 2026-02-02 · 21 CVEs total
| CVE-2026-20408 | MediaTek Chipsets 安全漏洞 | |
| CVE-2026-20419 | MediaTek Chipsets 安全漏洞 | |
| CVE-2026-20417 | MediaTek Chipsets 安全漏洞 | |
| CVE-2026-20415 | MediaTek Chipsets 安全漏洞 | |
| CVE-2026-20414 | MediaTek Chipsets 安全漏洞 | |
| CVE-2026-20413 | MediaTek Chipsets 安全漏洞 | |
| CVE-2026-20412 | MediaTek Chipsets 安全漏洞 | |
| CVE-2026-20411 | MediaTek Chipsets 安全漏洞 | |
| CVE-2026-20410 | MediaTek Chipsets 安全漏洞 | |
| CVE-2026-20409 | MediaTek Chipsets 安全漏洞 | |
| CVE-2026-20420 | MediaTek Chipsets 安全漏洞 | |
| CVE-2026-20407 | MediaTek Chipsets 安全漏洞 | |
| CVE-2026-20406 | MediaTek Chipsets 安全漏洞 | |
| CVE-2026-20405 | MediaTek Chipsets 安全漏洞 | |
| CVE-2026-20404 | MediaTek Chipsets 安全漏洞 | |
| CVE-2026-20403 | MediaTek Chipsets 安全漏洞 | |
| CVE-2026-20422 | MediaTek Chipsets 安全漏洞 | |
| CVE-2026-20421 | MediaTek Chipsets 安全漏洞 | |
| CVE-2026-20402 | MediaTek Chipsets 安全漏洞 | |
| CVE-2026-20401 | MediaTek Chipsets 安全漏洞 |
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V. Comments for CVE-2026-20418
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