1. Home
  2. CVE Database
  3. CVE-2026-20435
MEDIUM · 4.6

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 add...

Vulnerability 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 Score

4.6

MEDIUM

CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Attack Vector
PHYSICAL
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
NONE
Availability
NONE

Affected Products

VendorProductVersions
LinuxfoundationYocto4.0
RdkcentralRdk-B2022q3
GoogleAndroid14.0
OpenwrtOpenwrt21.02.0
ZephyrprojectZephyr3.7.0
MediatekMt2737-
MediatekMt6739-
MediatekMt6761-
MediatekMt6765-
MediatekMt6768-
MediatekMt6781-
MediatekMt6789-
MediatekMt6813-
MediatekMt6833-
MediatekMt6853-
MediatekMt6855-
MediatekMt6877-
MediatekMt6878-
MediatekMt6879-
MediatekMt6880-

Related Weaknesses (CWE)

CWE-522

References

FAQ

What is CVE-2026-20435?

CVE-2026-20435 is a vulnerability with a CVSS score of 4.6 (MEDIUM). 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 add...

How severe is CVE-2026-20435?

CVE-2026-20435 has been rated MEDIUM with a CVSS base score of 4.6/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2026-20435?

Check the references section above for vendor advisories and patch information. Affected products include: Linuxfoundation Yocto, Rdkcentral Rdk-B, Google Android, Openwrt Openwrt, Zephyrproject Zephyr.