CVE-2026-20458
Affected Version Matrix 64
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| MediaTek, Inc. | MediaTek chipset | MT2716 | affected |
MT2737 | affected | ||
MT6739 | affected | ||
MT6761 | affected | ||
MT6762 | affected | ||
MT6763 | affected | ||
MT6765 | affected | ||
MT6767 | affected | ||
| … +56 more rows | |||
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I. Basic Information for CVE-2026-20458
Vulnerability Information
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Vulnerability Title
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Description
In Modem, there is a possible memory corruption due to a missing bounds check. This could lead to remote escalation of privilege, 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: MOLY01402160; Issue ID: MSV-7298.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
跨界内存写
Source: NVD (National Vulnerability Database)
Vulnerability Title
MediaTek chipset 缓冲区错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
MediaTek chipset是MediaTek公司的一款芯片组产品。 MediaTek chipset存在缓冲区错误漏洞，该漏洞源于缺少边界检查导致内存损坏，如果UE连接到攻击者控制的恶意基站，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 | MT2716 | - |
II. Public POCs for CVE-2026-20458
| # | POC Description | Source Link | Shenlong Link |
|---|
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No public POC found.
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Vendor Advisories for CVE-2026-20458 (1)
Same Patch Batch · MediaTek, Inc. · 2026-07-01 · 7 CVEs total
| CVE-2026-20463 | MediaTek chipset 权限许可和访问控制问题漏洞 | |
| CVE-2026-20462 | MediaTek chipset 缓冲区错误漏洞 | |
| CVE-2026-20461 | MediaTek chipset 缓冲区错误漏洞 | |
| CVE-2026-20460 | MediaTek chipset 授权问题漏洞 | |
| CVE-2026-20459 | MediaTek chipset 授权问题漏洞 | |
| CVE-2026-20457 | MediaTek chipset 异常处理不当漏洞 |
IV. Related Vulnerabilities
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Vim: Out-of-bounds Write in SAL Soundfolding - CVE-2026-57021
Junos OS: SRX Series: If VPN compliance-check is configured
V. Comments for CVE-2026-20458
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