Is CVE-2025-20680 actively exploited?

CVE-2025-20680 has no public evidence of in-the-wild exploitation as of 2025-07-14.

What is the CVSS score for CVE-2025-20680?

CVE-2025-20680 has a CVSS score of 9.8 (CRITICAL severity). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

How do I patch CVE-2025-20680?

Patch guidance is available from mediatek security advisories. CVEDatabase generates AI-assisted remediation guidance on demand for CVE-2025-20680.

Fix CVE-2025-20680 - CRITICAL mediatek nbiot sdk

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.

CVSS Metrics

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack Vector: network
Complexity: low
Privileges: none
User Action: none
Scope: unchanged
Confidentiality: high
Integrity: high
Availability: high
Weaknesses: CWE-122

Metadata

Primary Vendor: MEDIATEK
Published: 7/8/2025
Last Modified: 7/14/2025
Source: NIST NVD
Note: Verify all details with official vendor sources before applying patches.

Affected Products

mediatek : nbiot_sdk

Remediation Guidance

Executive Summary

Cite this page

CVE-2025-20680. CVEDatabase.com. Retrieved 1 May 2026. https://cvedatabase.com/cve/CVE-2025-20680

View on NIST NVD

CVE-2025-20680 vulnerability