Vulnerability details

CVE-2025-20683

MediaTek MT6890
CVSS 3.1
9.8Critical

Official description

In wlan AP 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: WCNCR00416938; Issue ID: MSV-3444.

CVSS scores

ScoreVersionSourceVector
9.8Critical 3.1 CISA ADP / Vulnrichment (CISA-ADP) CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products

VendorProductVersionsSource
MediaTek, Inc. MT6890, MT7615, MT7622, MT7663, MT7915, MT7916, MT7981, MT7986 SDK release 7.6.7.2 and before / openWRT 19.07, 21.02 CVEProject cvelistV5 (CNA)

References and advisories

1
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Details

Published
2025-07-08
Last updated
2025-07-08
State
Published
Assigner (CNA)
MediaTek

Exploit prediction (EPSS)

0.57%
Probability of exploitation in 30 days
47.7%
Percentile (among all CVEs)

SSVC assessment (CISA)

Automatable
Yes
Exploitation
None
Technical impact
Total

Weaknesses (CWE)

  • CWE-787
    Out-of-bounds Write