CVE-2026-20435

In preloader, there is a possible read of device unique identifiers due to a logic error. This could lead to local information disclosure, if an attacker has physical access to the device, with no additional execution privileges needed. User interaction is not needed for exploitation. Patch ID: ALPS10607099; Issue ID: MSV-6118.

Score

CVSS 3.1 4.6 Medium

Status

Analyzed - security@mediatek.com

Published

2026-03-02

Last modified

2026-03-30

Weaknesses

CWE-522

Affected products

• Android (Google)
• Yocto (Linuxfoundation)
• Mediatek Chipset (Mediatek Inc.)
• Openwrt (Openwrt)
• Rdk-b (Rdkcentral)
• Zephyr (Zephyrproject)

References

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