CVE-2026-20436

Published: Mar 2, 2026Modified: Jun 17, 2026

6.7

Vector

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

Exploitability: 0.8 / Impact: 5.9

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

Description

In wlan STA driver, there is a possible escalation of privilege due to a missing bounds check. This could lead to local escalation of privilege if a malicious actor has already obtained the System privilege. User interaction is not needed for exploitation. Patch ID: WCNCR00473802; Issue ID: MSV-5970.

Affected (1)

Products: Mediatek: Nbiot Sdk

Mediatek

1 product

Nbiot Sdk

Configuration A

1 vulnerable · 7 platform

Vulnerable Software	Affected Versions
Mediatek Nbiot Sdk	Up to 3.8

Running on/with	Platform Versions
Mediatek Mt7902	All versions
Mediatek Mt7920	All versions
Mediatek Mt7921	All versions
Mediatek Mt7922	All versions
Mediatek Mt7925	All versions
Mediatek Mt7927	All versions
Mediatek Mt8696	All versions

Related CWEs

CWE-120

Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')

The product copies an input buffer to an output buffer without verifying that the size of the input buffer is less than the size of the output buffer, leading to a buffer overflow.

References (1)

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

Source: security@mediatek.com

Vendor Advisory

Timeline

No history available yet.