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Critical severity · published Mar 3, 2025
CVE-2025-20646
In wlan AP FW, there is a possible out of bounds write due to improper input validation
9.8
CVSS
0.9%
EPSS
No
On KEV
Description
In wlan AP FW, there is a possible out of bounds write due to improper input validation. This could lead to remote escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation. Patch ID: WCNCR00389074; Issue ID: MSV-1803.
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)0.9% · higher than 59% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
MM
MT6890, MT7915, MT7916, MT7981, MT7986 · MediaTek, Inc.
SDK release 7.6.7.2 and before · source: vendor
SD
Software Development Kit · Mediatek
before 7.6.7.2 · source: NVD
Affected product
MM
MT6890, MT7915, MT7916, MT7981, MT7986
MediaTek, Inc.
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2025-20646
CVE.org
https://www.cve.org/CVERecord?id=CVE-2025-20646
Vendor Advisory
https://corp.mediatek.com/product-security-bulletin/March-2025
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