High severity · published Oct 14, 2025
CVE-2025-20712
In wlan AP driver, there is a possible out of bounds write due to an incorrect bounds check
8.8
CVSS
0.3%
EPSS
No
On KEV
Description
In wlan AP driver, there is a possible out of bounds write due to an incorrect bounds check. This could lead to remote (proximal/adjacent) escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation. Patch ID: WCNCR00422323; Issue ID: MSV-3810.
CVSS vector
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack vector
Adjacent
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.3% · higher than 22% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
MM
MT6990, MT7990, MT7991, MT7992, MT7993 · MediaTek, Inc.
SDK release 8.3.1.1 and before / OpenWrt 21.02, 23.05 (MT6990) · source: vendor
OP
Openwrt · Openwrt
21.02.0; 23.05 · source: NVD
SD
Software Development Kit · Mediatek
through 8.3.1.1 · source: NVD
Affected product
MM
MT6990, MT7990, MT7991, MT7992, MT7993
MediaTek, Inc.