CVE-2025-20704

HIGH

MediaTek NR17 - Out-of-bounds Write in Modem via Rogue Base Station

Title source: llm

Description

In Modem, there is a possible out of bounds write due to a missing bounds check. This could lead to remote escalation of privilege, if a UE has connected to a rogue base station controlled by the attacker, with no additional execution privileges needed. User interaction is needed for exploitation. Patch ID: MOLY01516959; Issue ID: MSV-3502.

References (1)

Core 1

Core References

Vendor Advisory

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

Scores

CVSS v3 8.0

EPSS 0.0010

EPSS Percentile 28.0%

Attack Vector ADJACENT_NETWORK

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

CISA SSVC

Vulnrichment

Exploitation none

Automatable no

Technical Impact total

Details

CWE

CWE-787

Status published

Products (2)

mediatek/nr17

mediatek/nr17r

Published Sep 01, 2025

Tracked Since Feb 18, 2026