Medium severity · published Nov 4, 2025
CVE-2025-20740
In wlan STA driver, there is a possible out of bounds read due to a race condition
4.7
CVSS
0.1%
EPSS
No
On KEV
Description
In wlan STA driver, there is a possible out of bounds read due to a race condition. This could lead to local information disclosure with User execution privileges needed. User interaction is not needed for exploitation. Patch ID: WCNCR00435337; Issue ID: MSV-4036.
CVSS vector
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N
Attack vector
Local
Complexity
High
Privileges
Low
User interaction
None
Confidentiality
High
Integrity
None
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.1% · higher than 1% 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
through 3.7 · source: NVD
Affected product
MM
MT7902, MT7920, MT7921, MT7922, MT7925, MT7927
MediaTek, Inc.
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2025-20740
CVE.org
https://www.cve.org/CVERecord?id=CVE-2025-20740
Vendor Advisory
https://corp.mediatek.com/product-security-bulletin/November-2025
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