CVE-2025-20680

CRITICAL

Mediatek Nbiot SDK < 3.6 - Heap Buffer Overflow

Title source: rule
STIX 2.1

Description

In Bluetooth driver, there is a possible out of bounds write due to an incorrect bounds check. This could lead to local escalation of privilege with User execution privileges needed. User interaction is not needed for exploitation. Patch ID: WCNCR00418044; Issue ID: MSV-3482.

References (1)

Core 1

Scores

CVSS v3 9.8
EPSS 0.0033
EPSS Percentile 55.7%
Attack Vector NETWORK
CVSS:3.1/AV:N/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-122
Status published
Products (1)
mediatek/nbiot_sdk < 3.6
Published Jul 08, 2025
Tracked Since Feb 18, 2026