ByteOS Network

NVD Vulnerability Details :

CVE-2026-20446

Analyzed

Source-security@mediatek.com

Published At-07 Apr, 2026 | 04:17

Updated At-07 Apr, 2026 | 15:43

In sec boot, there is a possible out of bounds write due to an integer overflow. This could lead to local denial of service, if an attacker has physical access to the device, with User execution privileges needed. User interaction is not needed for exploitation. Patch ID: ALPS09963054; Issue ID: MSV-3899.

Date Added	Due Date	Vulnerability Name	Required Action
	N/A

Metrics

Type	Version	Base score	Base severity	Vector
Primary	3.1	4.3	MEDIUM	CVSS:3.1/AV:P/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Secondary	3.1	4.3	MEDIUM	CVSS:3.1/AV:P/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Type: Primary

Version: 3.1

Base score: 4.3

Base severity: MEDIUM

Vector:

CVSS:3.1/AV:P/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Type: Secondary

Version: 3.1

Base score: 4.3

Base severity: MEDIUM

Vector:

CVSS:3.1/AV:P/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

CPE Matches

MediaTek Inc.

>>mt6813_firmware>>-

cpe:2.3:o:mediatek:mt6813_firmware:-:*:*:*:*:*:*:*

MediaTek Inc.

>>mt6813>>-

cpe:2.3:h:mediatek:mt6813:-:*:*:*:*:*:*:*

Weaknesses

CWE ID	Type	Source
CWE-787	Secondary	security@mediatek.com
CWE-190	Secondary	134c704f-9b21-4f2e-91b3-4a467353bcc0

CWE ID: CWE-787

Type: Secondary

Source: security@mediatek.com

CWE ID: CWE-190

Type: Secondary

Source: 134c704f-9b21-4f2e-91b3-4a467353bcc0

References

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

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