Critical severity · published Jul 8, 2025
CVE-2025-20680
In Bluetooth driver, there is a possible out of bounds write due to an incorrect bounds check
9.8
CVSS
0.8%
EPSS
No
On KEV
Description
In Bluetooth 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: WCNCR00418044; Issue ID: MSV-3482.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.8% · higher than 56% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
NS
Nbiot Sdk · Mediatek
through 3.6 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2025-20680
CVE.org
https://www.cve.org/CVERecord?id=CVE-2025-20680
Vendor Advisory
https://corp.mediatek.com/product-security-bulletin/July-2025
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