Buffer overflow in Mediatek Mt7902
CVE-2025-20728
In wlan STA 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…
Vulnerability class: Buffer Overflow
EPSS: 0.001 (2.2th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
Affected products
- Mediatek Mt7902
- Mediatek Mt7920
- Mediatek Mt7921
- Mediatek Mt7922
- Mediatek Mt7925
- Mediatek Mt7927
- Mediatek Software_development_kit — versions 3.7
- Mediatek, Inc. Mt7902, Mt7920, Mt7921, Mt7922, Mt7925, Mt7927 — versions NB SDK release 3.7 and before
Weakness classification (CWE)
References
- security@mediatek.com (Vendor Advisory)
Frequently asked questions
- What is CVE-2025-20728?
- CVE-2025-20728 is a high-severity vulnerability in Mediatek Mt7902, classified under Heap-based Buffer Overflow. CVSS score: 7.8/10. Published 2025-11-04.
- How severe is CVE-2025-20728?
- High severity. CVSS v3 base score is 7.8 out of 10.