CVE-2026-115678
Received Received - Intake

Pre-authentication Out-of-Bounds Read in Keil MDK-Middleware SNMP

Publication date: 2026-10-26

Last updated on: 2026-10-26

Assigner: Arm Limited

Description
Arm Keil MDK-Middleware 8.0.0-8.3.0 may allow pre-authentication out-of-bounds read in SNMP processing

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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-2026-115678
EUVD
EUVD-2026-109919

Affected Vendors & Products

Showing 1 associated CPE
Vendor Product Version / Range
Keil MDK-Middleware 8.0.0

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Exploitability

CWE
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KEV
KEV Icon
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 is a pre-authentication out-of-bounds read issue in the SNMP processing component of Arm Keil MDK-Middleware versions 8.0.0 to 8.3.0. It allows an attacker to read memory outside the intended bounds without needing authentication.

Impact Analysis

The vulnerability could lead to denial of service or information disclosure. Attackers might exploit it to crash systems or access sensitive data by sending specially crafted SNMP packets.

Mitigation Strategies

Update Arm Keil MDK-Middleware to a version outside the affected range (8.0.0-8.3.0). If an update is not available, consider disabling SNMP processing or restricting network access to the vulnerable component until a patch is applied.

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