vulntracker.iovulntracker.io
© 2026 vulntracker.io

CVE-2026-20446

MEDIUM
4.3
CVSS Score
Published: April 7, 2026 at 03:25 AM UTC
Updated: June 17, 2026 at 10:17 AM UTC
1 product affected across 1 vendorMT6813 Firmware

Using MediaTek chipset by MediaTek, Inc.?

Get instant alerts when new vulnerabilities affect MediaTek chipset - before attackers find them.

Real-time alertsTrack your software stackFree plan available
Start FreeSign In
Severity
MEDIUM4.3
Exploit prediction
EPSS 0.2%
SSVC
No known exploit

Description

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

MT6813 Firmware· MediaTek
95%
All versions
mediatek-mt6813 (same device)

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

References (1)

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

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

4.3MEDIUMCISA-ADP
Attack Vector
PHYSICAL
Complexity
LOW
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH
Vector?

Quick Info

StatusANALYZED
CWE
CWE-787CWE-190

Get alerted

Stop reading CVE feeds looking for your own stack

Track the products you run and VulnTracker tells you when a new CVE affects them — with what is known about fixing it, and nothing about the rest.

Create accountSign in
Free plan, no card