CVE-2026-20431
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I. Basic Information for CVE-2026-20431
Vulnerability Information
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Vulnerability Title
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Description
In Modem, there is a possible system crash due to a logic error. 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: MOLY01106496; Issue ID: MSV-4467.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
不加限制或调节的资源分配
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，该漏洞源于逻辑错误，可能导致远程拒绝服务攻击。
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 | MT6813 | - |
II. Public POCs for CVE-2026-20431
| # | POC Description | Source Link | Shenlong Link |
|---|
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Same Patch Batch · MediaTek, Inc. · 2026-04-07 · 4 CVEs total
| CVE-2026-20432 | MediaTek Chipsets 缓冲区错误漏洞 | |
| CVE-2026-20433 | MediaTek Chipsets 缓冲区错误漏洞 | |
| CVE-2026-20446 | MediaTek Chipsets 安全漏洞 |
IV. Related Vulnerabilities
Same weakness: CWE-770
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Argo Workflows: Unauthenticated Memory Exhaustion (DoS) in W - CVE-2026-42189
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Atom table exhaustion via attacker-controlled GraphQL SDL na - CVE-2026-44499
ZEBRA: Permanent Block Discovery Halt via Gossip Queue Satur - CVE-2026-44500
ZEBRA: Allocation Amplification in Inbound Network Deseriali
V. Comments for CVE-2026-20431
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