CVE-2026-20419
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I. Basic Information for CVE-2026-20419
Vulnerability Information
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Vulnerability Title
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Description
In wlan AP/STA firmware, there is a possible system becoming irresponsive due to an uncaught exception. This could lead to remote (proximal/adjacent) denial of service with no additional execution privileges needed. User interaction is not needed for exploitation. Patch ID: WCNCR00461663 / WCNCR00463309; Issue ID: MSV-4852.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
对因果或异常条件的不恰当检查
Source: NVD (National Vulnerability Database)
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wlan AP/STA firmware未捕获异常，可能导致远程拒绝服务。
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 | MT6890 | - |
II. Public POCs for CVE-2026-20419
| # | POC Description | Source Link | Shenlong Link |
|---|
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No public POC found.
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Same Patch Batch · MediaTek, Inc. · 2026-02-02 · 21 CVEs total
| CVE-2026-20407 | MediaTek Chipsets 安全漏洞 | |
| CVE-2026-20420 | MediaTek Chipsets 安全漏洞 | |
| CVE-2026-20401 | MediaTek Chipsets 安全漏洞 | |
| CVE-2026-20402 | MediaTek Chipsets 安全漏洞 | |
| CVE-2026-20421 | MediaTek Chipsets 安全漏洞 | |
| CVE-2026-20422 | MediaTek Chipsets 安全漏洞 | |
| CVE-2026-20403 | MediaTek Chipsets 安全漏洞 | |
| CVE-2026-20404 | MediaTek Chipsets 安全漏洞 | |
| CVE-2026-20405 | MediaTek Chipsets 安全漏洞 | |
| CVE-2026-20406 | MediaTek Chipsets 安全漏洞 | |
| CVE-2026-20418 | MediaTek Chipsets 安全漏洞 | |
| CVE-2026-20408 | MediaTek Chipsets 安全漏洞 | |
| CVE-2026-20409 | MediaTek Chipsets 安全漏洞 | |
| CVE-2026-20410 | MediaTek Chipsets 安全漏洞 | |
| CVE-2026-20411 | MediaTek Chipsets 安全漏洞 | |
| CVE-2026-20412 | MediaTek Chipsets 安全漏洞 | |
| CVE-2026-20413 | MediaTek Chipsets 安全漏洞 | |
| CVE-2026-20414 | MediaTek Chipsets 安全漏洞 | |
| CVE-2026-20415 | MediaTek Chipsets 安全漏洞 | |
| CVE-2026-20417 | MediaTek Chipsets 安全漏洞 |
IV. Related Vulnerabilities
Same weakness: CWE-754
- CVE-2026-41662
Admidio: Missing Minimum Administrator Check in Role Members - CVE-2026-35225
Improper timeout handling in CODESYS EtherNetIP - CVE-2026-35366
uutils coreutils printenv Security Inspection Bypass via UTF - CVE-2026-40343
free5GC UDR: Fail-open handling in PolicyDataSubsToNotifyPos - CVE-2026-40249
free5gc UDR fail-open request handling in PolicyDataSubsToNo
V. Comments for CVE-2026-20419
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