Paper/Archive/CVE-2025-20680

CVE-2025-20680

MediaTek, Inc. MT7902, MT7920, MT7921, MT7922, MT7925, MT7927 — In Bluetooth driver, there is a possible out of bounds write due to an incorrect bounds check.

EPSS 0.8%CVSS 9.8

critical.is priorityof 100

CVSS 9.8 (ADP)9.8 / 10 × 3029.4 Not in CISA KEV+300.0 EPSS percentile 56.7.567 × 2011.3 No public exploit+100.0 SSVC exploitation: none+100.0

Description · from the CVE record

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.

Affected

ProductAffectedFixed inSource

MT7902, MT7920, MT7921, MT7922, MT7925, MT7927NB SDK release 3.6 and before–CNA

Scores by source

CISA ADP9.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CISA ADPSSVCExploitation: none · Automatable: no · Technical impact: total

References

refcorp.mediatek.com/product-security-bulletin/July-2025