CVE-2026-20404

MEDIUM

Modem - DoS

Title source: llm

Description

In Modem, there is a possible system crash due to improper input validation. 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: MOLY01689248; Issue ID: MSV-4837.

Exploits (2)

github WORKING POC 10 stars
by XiaomingX · pythonpoc
https://github.com/XiaomingX/data-cve-poc-py-v1/tree/main/2026/CVE-2026-20404
nomisec SCANNER 1 stars
by George0Papasotiriou · poc
https://github.com/George0Papasotiriou/CVE-2026-20404-MediaTek-modem-remote-DoS-rogue-base-station-scenario-

References (1)

Scores

CVSS v3 6.5
EPSS 0.0002
EPSS Percentile 5.8%
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-787
Status published

Affected Products (4)

mediatek/nr15
mediatek/nr16
mediatek/nr17
mediatek/nr17r

Timeline

Published Feb 02, 2026
Tracked Since Feb 18, 2026