CVE-2026-20420

MEDIUM

Modem - DoS

Title source: llm

Description

In Modem, there is a possible system crash due to incorrect error handling. 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: MOLY01738313; Issue ID: MSV-5935.

References (1)

[Vendor Advisory] https://corp.mediatek.com/product-security-bulletin/February-2026

Scores

CVSS v3 6.5

EPSS 0.0006

EPSS Percentile 19.9%

Attack Vector ADJACENT_NETWORK

CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Classification

CWE

CWE-125

Status published

Affected Products (4)

mediatek/nr15

mediatek/nr16

mediatek/nr17

mediatek/nr17r

Timeline

Published Feb 02, 2026

Tracked Since Feb 18, 2026