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CVE-2025-9557

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CVE-2025-9557

Published: Nov 26, 2025

Modified: Nov 26, 2025

PUBLISHED

CVSS v3.1

7.6

HIGH

Description

‭An out-of-bound write can lead to an arbitrary code execution. Even on devices with some form of memory protection, this can still lead to‬ ‭a crash and a resultant denial of service.‬

VendorProductVersions

zephyrproject-rtos

Zephyr

affected
* - <= 4.2

Weaknesses (CWE)

CWE-120

CVSS v3.1 Details

CVSS v3.1 Vector

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

Attack Vector

Adjacent

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

Low

Integrity

Low

Availability

High

References

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