CVE-2025-20790

MEDIUM

MediaTek NR15 - Remote Denial of Service via Rogue Base Station Connection

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: MOLY01677581; Issue ID: MSV-4701.

References (1)

Core 1

Core References

Vendor Advisory

https://corp.mediatek.com/product-security-bulletin/December-2025

Scores

CVSS v3 5.3

EPSS 0.0023

EPSS Percentile 45.5%

Attack Vector NETWORK

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

CISA SSVC

Vulnrichment

Exploitation none

Automatable no

Technical Impact partial

Details

CWE

CWE-476

Status published

Products (1)

mediatek/nr15

Published Dec 02, 2025

Tracked Since Feb 18, 2026