EUVD-2026-19564

| CVE-2026-20431 MEDIUM
2026-04-07 MediaTek
6.5
CVSS 3.1
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CVSS Vector

CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack Vector
Adjacent
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High

Lifecycle Timeline

3
EUVD ID Assigned
Apr 07, 2026 - 03:45 euvd
EUVD-2026-19564
Analysis Generated
Apr 07, 2026 - 03:45 vuln.today
CVE Published
Apr 07, 2026 - 03:25 nvd
MEDIUM 6.5

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.

Analysis

Remote denial of service in MediaTek modem chipsets allows unauthenticated attackers to crash the system via a logic error when connecting to a rogue base station. The vulnerability affects 19 MediaTek chipset models (MT8678, MT6899, MT6897, and others) with no authentication or user interaction required. …

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Priority Score

33
Low Medium High Critical
KEV: 0
EPSS: +0.1
CVSS: +32
POC: 0

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EUVD-2026-19564 vulnerability details – vuln.today

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