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CVE-2026-20456

nvd nist
Published: Jun 1, 2026Modified: Jul 22, 2026

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5.5
Vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Exploitability: 1.8 / Impact: 3.6
Source: 134c704f-9b21-4f2e-91b3-4a467353bcc0 (Secondary)

Description

In wlan STA driver, there is a possible system crash due to a missing bounds check. This could lead to local denial of service with User execution privileges needed. User interaction is not needed for exploitation. Patch ID: WCNCR00480851; Issue ID: MSV-6338.

Affected (6)

Mediatek
6 products
Mt7902 Firmware
Mt7920 Firmware
Mt7921 Firmware
Mt7922 Firmware
Mt7925 Firmware
Mt7927 Firmware
Configuration A
1 vulnerable · 1 platform
Vulnerable SoftwareAffected Versions
Mt7902 Firmware
All versions
Running on/withPlatform Versions
Mediatek
Mt7902
All versions
Configuration B
1 vulnerable · 1 platform
Vulnerable SoftwareAffected Versions
Mt7920 Firmware
All versions
Running on/withPlatform Versions
Mediatek
Mt7920
All versions
Configuration C
1 vulnerable · 1 platform
Vulnerable SoftwareAffected Versions
Mt7921 Firmware
All versions
Running on/withPlatform Versions
Mediatek
Mt7921
All versions
Configuration D
1 vulnerable · 1 platform
Vulnerable SoftwareAffected Versions
Mt7922 Firmware
All versions
Running on/withPlatform Versions
Mediatek
Mt7922
All versions
Configuration E
1 vulnerable · 1 platform
Vulnerable SoftwareAffected Versions
Mt7925 Firmware
All versions
Running on/withPlatform Versions
Mediatek
Mt7925
All versions
Configuration F
1 vulnerable · 1 platform
Vulnerable SoftwareAffected Versions
Mt7927 Firmware
All versions
Running on/withPlatform Versions
Mediatek
Mt7927
All versions

Related CWEs

CWE-787
Out-of-bounds Write
The product writes data past the end, or before the beginning, of the intended buffer.

References (1)

Source: security@mediatek.com
Vendor Advisory

Timeline

No history available yet.