CVE-2025-9557
Unknown Unknown - Not Provided

BaseFortify

Publication date: 2025-11-26

Last updated on: 2025-11-26

Assigner: Zephyr Project

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.‬

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Meta Information

Published
2025-11-26
Last Modified
2025-11-26
Generated
2026-07-06
AI Q&A
2025-11-26
EPSS Evaluated
2026-07-05
NVD
CVE-2025-9557
EUVD
EUVD-2025-199711

Affected Vendors & Products

Showing 1 associated CPE
Vendor Product Version / Range
zephyrproject zephyr *

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Exploitability

CWE
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KEV
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CWE ID Description
CWE-120 The product copies an input buffer to an output buffer without verifying that the size of the input buffer is less than the size of the output buffer.

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Executive Summary

This vulnerability is an out-of-bound write, which means that the software writes data outside the boundaries of allocated memory. This can lead to arbitrary code execution, allowing an attacker to run malicious code. Even if the device has memory protection, the vulnerability can cause a crash resulting in a denial of service.

Impact Analysis

The vulnerability can allow an attacker to execute arbitrary code on the affected device, potentially taking control of it. If memory protection is present, it may instead cause the device to crash, leading to denial of service and disruption of normal operations.

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