High severity · published Nov 4, 2025
CVE-2025-20728
In wlan STA driver, there is a possible out of bounds write due to an incorrect bounds check
7.8
CVSS
0.1%
EPSS
No
On KEV
Description
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: WCNCR00447115; Issue ID: MSV-4276.
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack vector
Local
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.1% · higher than 4% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
MM
MT7902, MT7920, MT7921, MT7922, MT7925, MT7927 · MediaTek, Inc.
NB SDK release 3.7 and before · source: vendor
SD
Software Development Kit · Mediatek
3.7 · source: NVD
Affected product
MM
MT7902, MT7920, MT7921, MT7922, MT7925, MT7927
MediaTek, Inc.
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2025-20728
CVE.org
https://www.cve.org/CVERecord?id=CVE-2025-20728
Vendor Advisory
https://corp.mediatek.com/product-security-bulletin/November-2025
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