CVE-2025-20646

Published Mar 3, 2025 CVSS 3.1 · 9.8 Critical EPSS < 1% KEV · Not listed
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
EUVD EUVD EUVD-2025-5832 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.
History
Type Values Removed Values Added
Metrics ssvc

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

ssvc

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

Type Values Removed Values Added
First Time appeared Mediatek
Mediatek mt6890
Mediatek mt7915
Mediatek mt7916
Mediatek mt7981
Mediatek mt7986
Mediatek software Development Kit
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:-:*:*:*:*:*:*:*
Vendors & Products Mediatek
Mediatek mt6890
Mediatek mt7915
Mediatek mt7916
Mediatek mt7981
Mediatek mt7986
Mediatek software Development Kit
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'}

Type Values Removed Values Added
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.
Weaknesses CWE-787
References
Weaknesses

Sources

Status
PUBLISHED
Assigner
MediaTek
Published
Updated
Feb 26, 2026, 7:09 PM
Reserved
Nov 1, 2024, 1:21 AM
Status
Analyzed
Published
Mar 3, 2025, 3:15 AM
Modified
Jun 17, 2026, 8:41 AM