Buffer overflow in Mediatek Mt7615
CVE-2025-20684
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: WCNCR00416939; Issue ID: MSV-3422.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.006 (47.1th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 47th percentile — 47.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.005 · newest: 0.006 · change: +0.001
Affected products
- Mediatek Mt7615
- Mediatek Mt7622
- Mediatek Mt7663
- Mediatek Software Development Kit
- Mediatek, Inc. Mt7615, Mt7622, Mt7663 — versions SDK release 5.1.0.0 and before
Weakness classification (CWE)
References
- corp.mediatek.com/product-security-bulletin/July-2025 (Vendor Advisory)
Frequently asked questions
- What is CVE-2025-20684?
- CVE-2025-20684 is a critical-severity vulnerability in Mediatek Mt7615, classified under Out-of-bounds Write. CVSS score: 9.8/10. Published 2025-07-08.
- How severe is CVE-2025-20684?
- Critical severity. CVSS v3 base score is 9.8 out of 10.