CVE-2026-20449
Possible ATT&CK Techniques 1AI
T1190 · Exploit Public-Facing ApplicationAffected Version Matrix 68
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| MediaTek, Inc. | MediaTek chipset | MT2735 | affected |
MT2737 | affected | ||
MT6739 | affected | ||
MT6761 | affected | ||
MT6762 | affected | ||
MT6763 | affected | ||
MT6765 | affected | ||
MT6767 | affected | ||
| … +60 more rows | |||
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I. Basic Information for CVE-2026-20449
Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
In Modem, there is a possible system crash due to a heap buffer overflow. This could lead to remote denial of service, if a UE has connected to a rogue base station controlled by the attacker, with no additional execution privileges needed. User interaction is not needed for exploitation. Patch ID: MOLY01760138; Issue ID: MSV-6148.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
未进行输入大小检查的缓冲区拷贝(传统缓冲区溢出)
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，该漏洞源于堆缓冲区溢出，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 | MT2735 | - |
II. Public POCs for CVE-2026-20449
| # | POC Description | Source Link | Shenlong Link |
|---|
AI-Generated POCPremium
No public POC found.
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Vendor Advisories for CVE-2026-20449 (1)
Same Patch Batch · MediaTek, Inc. · 2026-05-04 · 5 CVEs total
| CVE-2026-20451 | MediaTek Chipsets 安全漏洞 | |
| CVE-2026-20450 | MediaTek Chipsets 安全漏洞 | |
| CVE-2026-20448 | MediaTek Chipsets 安全漏洞 | |
| CVE-2026-20447 | MediaTek Chipsets 缓冲区错误漏洞 |
IV. Related Vulnerabilities
V. Comments for CVE-2026-20449
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