PT-2026-30791 · Mediatek · Alps

Published 2026-04-07 · Updated 2026-04-19 · CVE-2026-20446

Positive Technologies (AI Summary)

CVSS v3.1

4.3

Medium

Base vector

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

Name of the Vulnerable Software and Affected Versions Versions prior to patch ALPS09963054

Description An out-of-bounds write issue exists in secure boot due to an integer overflow. This could result in a local denial of service if an attacker has physical access to the device and user execution privileges. User interaction is not required for exploitation.

Recommendations Update to a version with patch ALPS09963054 applied.

Fix

DoS

Integer Overflow

Memory Corruption

Weakness Enumeration

CWE-190

CWE-787

Related Identifiers

CVE-2026-20446

Affected Products

Alps

References · 4

• https://nvd.nist.gov/vuln/detail/CVE-2026-20446 · Security Note
• https://corp.mediatek.com/product-security-bulletin/April-2026 · Vendor Advisory
• https://twitter.com/infoflowcloud/status/2045974430296219755 · Twitter Post
• https://twitter.com/CVEnew/status/2045972474266067266 · Twitter Post