CVE-2025-20708

HIGH

MediaTek NR15/NR16/NR17/NR17R - Out-of-bounds Write in Modem

Title source: llm

Description

In Modem, there is a possible out of bounds write due to an incorrect 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 not needed for exploitation. Patch ID: MOLY01123853; Issue ID: MSV-4131.

References (1)

Core 1

Core References

Vendor Advisory

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

Scores

CVSS v3 8.8

EPSS 0.0015

EPSS Percentile 35.8%

Attack Vector ADJACENT_NETWORK

CVSS:3.1/AV:A/AC:L/PR:N/UI:N/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 (4)

mediatek/nr15

mediatek/nr16

mediatek/nr17

mediatek/nr17r

Published Sep 01, 2025

Tracked Since Feb 18, 2026