CVE-2026-20435: In preloader, there is a possible read of device unique identifiers due to a logic error

Description

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.

CVSS vector

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

Attack vector

Physical

Complexity

Low

Privileges

None

User interaction

None

Confidentiality

High

Integrity

None

Availability

None

Scope

Unchanged

Exploitation

Is it being used?

Exploit prediction (EPSS)0.1% · higher than 2% of CVEs

Exploited in the wildNo evidence yet

CISA KEVNot listed

Ransomware campaign useNot known

Affected products

Which versions

AN

Android · Google

14.0; 15.0; 16.0 · source: NVD

MC

MediaTek chipset · MediaTek, Inc.

MT2737; MT6739; MT6761; MT6765; MT6768; MT6781; +29 more · source: vendor

OP

Openwrt · Openwrt

21.02.0; 23.05.0 · source: NVD

RD

Rdk-b · Rdkcentral

2022q3; 2024q1 · source: NVD

YO

Yocto · Linuxfoundation

4.0 · source: NVD

ZE

Zephyr · Zephyrproject

3.7.0 · source: NVD