Paper/Archive/CVE-2025-20681

CVE-2025-20681

MediaTek, Inc. MT6890, MT7615, MT7622, MT7663, MT7915 — In wlan AP driver, there is a possible out of bounds write due to an incorrect bounds check.

EPSS 0.6%CVSS 9.8

critical.is priorityof 100

CVSS 9.8 (ADP)9.8 / 10 × 3029.4 Not in CISA KEV+300.0 EPSS percentile 50.4.504 × 2010.1 No public exploit+100.0 SSVC exploitation: none+100.0

Description · from the CVE record

In wlan AP 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: WCNCR00416936; Issue ID: MSV-3446.

Affected

ProductAffectedFixed inSource

MT6890, MT7615, MT7622, MT7663, MT7915SDK release 5.1.0.0 and before / openWRT 19.07, 21.02–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: yes · Technical impact: total

References

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