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CVE Vulnerability Details :
CVE-2026-20423
PUBLISHED
More InfoOfficial Page
Assigner-MediaTek
Assigner Org ID-ee979b05-11f8-4f25-a7e0-a1fa9c190374
View Known Exploited Vulnerability (KEV) details
Published At-02 Mar, 2026 | 08:37
Updated At-03 Mar, 2026 | 16:15
Rejected At-
▼CVE Numbering Authority (CNA)

In wlan STA driver, there is a possible out of bounds write due to a missing bounds check. This could lead to local escalation of privilege with User execution privileges needed. User interaction is not needed for exploitation. Patch ID: WCNCR00465314; Issue ID: MSV-4956.

Affected Products
Vendor
MediaTek Inc.MediaTek, Inc.
Product
MT7902, MT7920, MT7921, MT7922, MT7925, MT7927
Versions
Affected
  • NB SDK release 3.8 and before
Problem Types
TypeCWE IDDescription
CWECWE-749CWE-749 Exposed Dangerous Method or Function
Type: CWE
CWE ID: CWE-749
Description: CWE-749 Exposed Dangerous Method or Function
Metrics
VersionBase scoreBase severityVector
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions
Configurations
Workarounds
Exploits
Credits
Timeline
EventDate
Replaced By
Rejected Reason
References
HyperlinkResource
https://corp.mediatek.com/product-security-bulletin/March-2026
N/A
Hyperlink: https://corp.mediatek.com/product-security-bulletin/March-2026
Resource: N/A
▼Authorized Data Publishers (ADP)
CISA ADP Vulnrichment
Affected Products
Metrics
VersionBase scoreBase severityVector
3.17.8HIGH
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Version: 3.1
Base score: 7.8
Base severity: HIGH
Vector:
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions
Configurations
Workarounds
Exploits
Credits
Timeline
EventDate
Replaced By
Rejected Reason
References
HyperlinkResource
Details not found