CVE-2026-82947

High

Description

SOEM version 2.0.0 and earlier contains multiple vulnerabilities in frame processing where a malicious device can cause the master to read data outside allocated buffers. The software uses length and offset values from device messages without validating them against buffer sizes. This can cause the master to access invalid memory locations, potentially disclosing sensitive information or causing crashes.

SeverityHigh

CVSS7.1

Exploit probability—

ProductSOEM

PublishedOct 26, 2026

First seenOct 26, 2026

Weakness typeCWE-125Out-of-bounds read CWE-787Out-of-bounds write CWE-191CWE-191 CWE-129CWE-129

How to fix

Update

RT-Labs AB SOEM2.0.1 or later

Vendor advisories

rt-labs.com/wp-content/uploads/2026/10/RRTL-260921-01.pdf

Affected products

Product	Affected versions	Fixed in
RT-Labs AB SOEM	v < 2.0.1	2.0.1

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