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CVE-2026-20452

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

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8.0
Vector
CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Exploitability: 2.1 / Impact: 5.9
Source: 134c704f-9b21-4f2e-91b3-4a467353bcc0 (Secondary)

Description

In wlan AP driver, there is a possible memory corruption due to a heap buffer overflow. This could lead to remote (proximal/adjacent) code execution with User execution privileges needed. User interaction is not needed for exploitation. Patch ID: WCNCR00480138; Issue ID: MSV-6295.

Affected (9)

Mediatek
9 products
Mt6890 Firmware
Mt7615 Firmware
Mt7915 Firmware
Mt7916 Firmware
Mt7981 Firmware
Mt7986 Firmware
Mt7990 Firmware
Mt7992 Firmware
Mt7993 Firmware
Configuration A
1 vulnerable · 1 platform
Vulnerable SoftwareAffected Versions
Mt6890 Firmware
All versions
Running on/withPlatform Versions
Mediatek
Mt6890
All versions
Configuration B
1 vulnerable · 1 platform
Vulnerable SoftwareAffected Versions
Mt7615 Firmware
All versions
Running on/withPlatform Versions
Mediatek
Mt7615
All versions
Configuration C
1 vulnerable · 1 platform
Vulnerable SoftwareAffected Versions
Mt7915 Firmware
All versions
Running on/withPlatform Versions
Mediatek
Mt7915
All versions
Configuration D
1 vulnerable · 1 platform
Vulnerable SoftwareAffected Versions
Mt7916 Firmware
All versions
Running on/withPlatform Versions
Mediatek
Mt7916
All versions
Configuration E
1 vulnerable · 1 platform
Vulnerable SoftwareAffected Versions
Mt7981 Firmware
All versions
Running on/withPlatform Versions
Mediatek
Mt7981
All versions
Configuration F
1 vulnerable · 1 platform
Vulnerable SoftwareAffected Versions
Mt7986 Firmware
All versions
Running on/withPlatform Versions
Mediatek
Mt7986
All versions
Configuration G
1 vulnerable · 1 platform
Vulnerable SoftwareAffected Versions
Mt7990 Firmware
All versions
Running on/withPlatform Versions
Mediatek
Mt7990
All versions
Configuration H
1 vulnerable · 1 platform
Vulnerable SoftwareAffected Versions
Mt7992 Firmware
All versions
Running on/withPlatform Versions
Mediatek
Mt7992
All versions
Configuration I
1 vulnerable · 1 platform
Vulnerable SoftwareAffected Versions
Mt7993 Firmware
All versions
Running on/withPlatform Versions
Mediatek
Mt7993
All versions

Related CWEs

CWE-122
Heap-based Buffer Overflow
A heap overflow condition is a buffer overflow, where the buffer that can be overwritten is allocated in the heap portion of memory, generally meaning that the buffer was allocated using a routine such as malloc().

References (1)

Source: security@mediatek.com
Vendor Advisory

Timeline

No history available yet.