CVE-2026-20435

Name: CVE-2026-20435
Creator: NVD / NIST
Published: 2026-03-02T09:16:16.6+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 4.6/10EPSS 0.11%

Last modified Jun 17, 2026

CVE-2026-20435 is a medium-severity vulnerability rated 4.6/10 on the CVSS scale. 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. EPSS estimates a 0.11% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1

4.6/10

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

EPSS Probability

0.11%

1.8th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-522

Affected Software

Vendor	Product	Versions
Linuxfoundation	Yocto	4.0
Rdkcentral	Rdk-B	2022q3
Rdkcentral	Rdk-B	2024q1
Google	Android	14.0
Google	Android	15.0
Google	Android	16.0
Openwrt	Openwrt	21.02.0
Openwrt	Openwrt	23.05.0
Zephyrproject	Zephyr	3.7.0

References

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

Timeline

Published: Mar 2, 2026
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2026-20435?

How severe is CVE-2026-20435?

CVE-2026-20435 has a CVSS score of 4.6/10 (MEDIUM severity). The EPSS model estimates a 0.11% probability of exploitation in the next 30 days.

How do I fix CVE-2026-20435?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2026-20435?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST