ByteOS Network

NVD Vulnerability Details :

CVE-2026-20423

Modified

Source-security@mediatek.com

Published At-02 Mar, 2026 | 09:16

Updated At-03 Mar, 2026 | 17:16

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.

Date Added	Due Date	Vulnerability Name	Required Action
	N/A

Metrics

Type	Version	Base score	Base severity	Vector
Secondary	3.1	7.8	HIGH	CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Type: Secondary

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

CPE Matches

Weaknesses

CWE ID	Type	Source
CWE-749	Secondary	security@mediatek.com
CWE-787	Primary	nvd@nist.gov

CWE ID: CWE-749

Type: Secondary

Source: security@mediatek.com

CWE ID: CWE-787

Type: Primary

Source: nvd@nist.gov

References

Hyperlink	Source	Resource
https://corp.mediatek.com/product-security-bulletin/March-2026	security@mediatek.com	Vendor Advisory

Hyperlink: https://corp.mediatek.com/product-security-bulletin/March-2026

Source: security@mediatek.com

Resource:

Vendor Advisory

CISA Catalog

Metrics

CPE Matches

Weaknesses

Evaluator Description

Evaluator Impact

Evaluator Solution

Vendor Statements

References

Change History