CVE-2026-54467
Received Received - Intake

Mailbox Pointer Validation Flaw in Trusted Firmware-M

Vulnerability report for CVE-2026-54467, including description, CVSS score, EPSS score, affected products, exploitability, helpful resources, and attack-flow context.

Publication date: 2026-08-26

Last updated on: 2026-08-26

Assigner: MITRE

Description

On the Trusted Firmware-M (TF-M) 2 through 2.3.0 platform before 00d1b3e, mailbox initialization on PSOC64 and RP2350 accepts a non-secure, unvalidated, supplied pointer.

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Meta Information

Published
2026-08-26
Last Modified
2026-08-26
Generated
2026-08-26
AI Q&A
2026-08-26
EPSS Evaluated
N/A
NVD
EUVD

Affected Vendors & Products

Showing 1 associated CPE
Vendor Product Version / Range
trusted_firmware_m tf-m to 2.3.0 (exc)

Helpful Resources

Exploitability

CWE
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KEV
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CWE ID Description
CWE-283 The product does not properly verify that a critical resource is owned by the proper entity.

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Executive Summary

This vulnerability exists in Trusted Firmware-M (TF-M) versions 2 through 2.3.0. It involves improper handling of a pointer during mailbox initialization on PSOC64 and RP2350 platforms. A non-secure, unvalidated pointer is accepted, which could allow unauthorized access or manipulation of memory.

Impact Analysis

This vulnerability could allow an attacker with local access and limited privileges to escalate their access level. It may lead to unauthorized code execution, data breaches, or system compromise on affected devices using TF-M versions 2 through 2.3.0.

Mitigation Strategies

Update Trusted Firmware-M to version 2.3.0 or later to address the mailbox initialization issue. Ensure secure validation of pointers in PSOC64 and RP2350 platforms.

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