CVE-2025-20695 | BDVDB-2026-285201 Detail

MediaTekMT6639, MT6653, MT6985, MT6989, MT6990, MT6991, MT7925, MT7927, MT8196, MT8678, MT8796

Description#

In Bluetooth FW, there is a possible system crash due to an uncaught exception. This could lead to remote denial of service with no additional execution privileges needed. User interaction is not needed for exploitation. Patch ID: ALPS09741871; Issue ID: MSV-3317.

Impact#

Per CVSS v3.1: confidentiality impact none, integrity impact none, availability impact high. Attack vector: adjacent.

Weaknesses#

CWE-124 Buffer Underflow

References#

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

Exploit#

No public exploit known

History#

Version 12025-07-08Record published in the CVE List.
Version 22025-07-14Most recent update recorded in the CVE List.

Published

Published: 2025-07-08
Last modified: 2025-07-14

Vendor information

Vendor: MediaTek
Product: MT6639, MT6653, MT6985, MT6989, MT6990, MT6991, MT7925, MT7927, MT8196, MT8678, MT8796

All MediaTek vulnerabilities

Score

6.5 Medium

EPSS

less than 1%, Very Low

Estimated chance of exploitation in the next 30 days. EPSS percentile: 6.0.

KEV

Not listed in the CISA Known Exploited Vulnerabilities catalog.

Impact

Not classified

Action

No specific action is recorded in the source data. Check the references for vendor guidance.

Affected Systems

Vulnerable
Android 13.0, 14.0, 15.0 / SDK release 3.7 and before / openWRT 21.02, 23.05
Fixed
Not stated

Scoring System

CVSS v4.0

Not available

CVSS v3.1

6.5 Medium

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

Metric breakdown
Attack Vector	Adjacent
Attack Complexity	Low
Privileges Required	None
User Interaction	None
Scope	Unchanged
Confidentiality	None
Integrity	None
Availability	High

CVSS v3.0

Not available

CVSS v2

Not available

Source: CVE List v5 (record); CISA KEV (kev, action); FIRST EPSS (epss).