CVE-2026-115679
Received Received - Intake

Out-of-Bounds Read/Write in Keil MDK-Middleware FTP Server

Publication date: 2026-10-26

Last updated on: 2026-10-26

Assigner: Arm Limited

Description
Arm Keil MDK-Middleware 8.3.0 may allow out-of-bounds reads and writes to the FTP Server RX Buffer

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Meta Information

Published
2026-10-26
Last Modified
2026-10-26
Generated
2026-10-26
AI Q&A
2026-10-26
EPSS Evaluated
N/A
NVD
CVE-2026-115679
EUVD
EUVD-2026-109921

Affected Vendors & Products

Showing 1 associated CPE
Vendor Product Version / Range
Keil MDK-Middleware 8.3.0

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Exploitability

CWE
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KEV
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CWE ID Description
CWE-195 The product uses a signed primitive and performs a cast to an unsigned primitive, which can produce an unexpected value if the value of the signed primitive can not be represented using an unsigned primitive.

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Executive Summary

This vulnerability in Arm Keil MDK-Middleware 8.3.0 allows out-of-bounds reads and writes to the FTP Server RX Buffer. This means an attacker could access or modify memory outside the intended buffer, potentially leading to crashes, data corruption, or arbitrary code execution.

Impact Analysis

If exploited, this vulnerability could allow attackers to crash the FTP server, steal sensitive data, or execute malicious code on the affected system. Users of Keil MDK-Middleware 8.3.0 should update to a patched version immediately.

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