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) code execution with no additional execution privileges needed. User interaction is not needed for exploitation. Patch ID: WCNCR00415570; Issue ID: MSV-3404.

Metrics

No CVSS v4.0

Attack Vector Adjacent Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact High

Integrity Impact High

Availability Impact High

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

Exploitation none

Automatable no

Technical Impact total

Affected Vendors & Products

Vendors Products
Mediatek
  • Mt6890
  • Mt7915
  • Mt7916
  • Mt7981
  • Mt7986
  • Software Development Kit
Openwrt
  • Openwrt

Configuration 1 [-]

AND
OR cpe:2.3:a:mediatek:software_development_kit:*:*:*:*:*:*:*:*
cpe:2.3:o:openwrt:openwrt:19.07.0:-:*:*:*:*:*:*
OR cpe:2.3:h:mediatek:mt6890:-:*:*:*:*:*:*:*
cpe:2.3:h:mediatek:mt7915:-:*:*:*:*:*:*:*
cpe:2.3:h:mediatek:mt7916:-:*:*:*:*:*:*:*
cpe:2.3:h:mediatek:mt7981:-:*:*:*:*:*:*:*
cpe:2.3:h:mediatek:mt7986:-:*:*:*:*:*:*:*

Configuration 2 [-]

AND
cpe:2.3:o:openwrt:openwrt:21.02.0:-:*:*:*:*:*:*
cpe:2.3:h:mediatek:mt6890:-:*:*:*:*:*:*:*

No data.

References
Link Providers
https://corp.mediatek.com/product-security-bulletin/July-2025 cve-icon cve-icon
History

Wed, 09 Jul 2025 17:45:00 +0000

Type Values Removed Values Added
First Time appeared Mediatek
Mediatek mt6890
Mediatek mt7915
Mediatek mt7916
Mediatek mt7981
Mediatek mt7986
Mediatek software Development Kit
Openwrt
Openwrt openwrt
CPEs cpe:2.3:a:mediatek:software_development_kit:*:*:*:*:*:*:*:*
cpe:2.3:h:mediatek:mt6890:-:*:*:*:*:*:*:*
cpe:2.3:h:mediatek:mt7915:-:*:*:*:*:*:*:*
cpe:2.3:h:mediatek:mt7916:-:*:*:*:*:*:*:*
cpe:2.3:h:mediatek:mt7981:-:*:*:*:*:*:*:*
cpe:2.3:h:mediatek:mt7986:-:*:*:*:*:*:*:*
cpe:2.3:o:openwrt:openwrt:19.07.0:-:*:*:*:*:*:*
cpe:2.3:o:openwrt:openwrt:21.02.0:-:*:*:*:*:*:*
Vendors & Products Mediatek
Mediatek mt6890
Mediatek mt7915
Mediatek mt7916
Mediatek mt7981
Mediatek mt7986
Mediatek software Development Kit
Openwrt
Openwrt openwrt

Tue, 08 Jul 2025 16:15:00 +0000

Type Values Removed Values Added
Metrics cvssV3_1

{'score': 9.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H'}

ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

 cvssV3_1

{'score': 8.8, 'vector': 'CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H'}

ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Tue, 08 Jul 2025 14:15:00 +0000

Type Values Removed Values Added
Metrics cvssV3_1

{'score': 9.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H'}

ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Tue, 08 Jul 2025 02:30:00 +0000

Type Values Removed Values Added
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) code execution with no additional execution privileges needed. User interaction is not needed for exploitation. Patch ID: WCNCR00415570; Issue ID: MSV-3404.
Weaknesses CWE-122
References
cve-icon MITRE

Status: PUBLISHED

Assigner: MediaTek

Published: 2025-07-08T02:00:27.192Z

Updated: 2025-07-08T15:18:06.866Z

Reserved: 2024-11-01T01:21:50.372Z

Link: CVE-2025-20686

cve-icon Vulnrichment

Updated: 2025-07-08T13:53:55.007Z

cve-icon NVD

Status : Analyzed

Published: 2025-07-08T03:15:27.987

Modified: 2025-07-09T17:23:40.833

Link: CVE-2025-20686

cve-icon Redhat

No data.