CVE-2026-20406 - Vulnerability Details - OpenCVE

In Modem, there is a possible system crash due to an uncaught exception. 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: MOLY01726634; Issue ID: MSV-5728.

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact None

Integrity Impact None

Availability Impact High

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

The EPSS score is 0.00215.

Exploitation none

Automatable yes

Technical Impact partial

No data.

No data.

No data.

No data.

Advisories

No advisories yet.

Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References

Link	Providers
https://corp.mediatek.com/product-security-bulletin/February-2026

History

Mon, 02 Feb 2026 21:15:00 +0000

Type	Values Removed	Values Added
Metrics		cvssV3_1 `{'score': 7.5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H'}` ssvc `{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}`

Mon, 02 Feb 2026 08:30:00 +0000

Type	Values Removed	Values Added
Description		In Modem, there is a possible system crash due to an uncaught exception. 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: MOLY01726634; Issue ID: MSV-5728.
Weaknesses		CWE-770
References		https://corp.mediatek.com/product-security-bulletin/February-2026

Projects

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MITRE

Status: PUBLISHED

Assigner: MediaTek

Published: 2026-02-02T08:14:52.889Z

Updated: 2026-02-02T21:04:32.895Z

Reserved: 2025-11-03T01:30:59.007Z

Link: CVE-2026-20406

Vulnrichment

Updated: 2026-02-02T21:03:15.476Z

NVD

Status : Awaiting Analysis

Published: 2026-02-02T09:15:55.370

Modified: 2026-02-03T16:44:36.630

Link: CVE-2026-20406

Redhat

No data.

OpenCVE Enrichment

No data.

Weaknesses

CWE-770

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