Description
SOEM version 2.0.0 and earlier contains vulnerabilities where a malicious device can send messages that cause the master to read data from memory locations beyond the intended buffer. The software uses length values from device responses without validating them against actual buffer sizes. An attacker can exploit this to extract up to 64KB of data from the master's memory.
Published: 2026-10-26
Score: 6.5 Medium
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

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Remediation

No vendor fix or workaround currently provided.

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Tracking

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Advisories

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History

Mon, 26 Oct 2026 09:00:00 +0000

Type Values Removed Values Added
Description SOEM version 2.0.0 and earlier contains vulnerabilities where a malicious device can send messages that cause the master to read data from memory locations beyond the intended buffer. The software uses length values from device responses without validating them against actual buffer sizes. An attacker can exploit this to extract up to 64KB of data from the master's memory.
Title Out-of-Bounds Read via Unchecked Length Values
Weaknesses CWE-125
CWE-195
CWE-200
References
Metrics cvssV3_1

{'score': 6.5, 'vector': 'CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N'}

Subscriptions

No data.

cve-icon MITRE

Status: PUBLISHED

Assigner: ENISA

Published:

Updated: 2026-10-26T08:41:26.457Z

Reserved: 2026-08-31T12:26:22.053Z

Link: CVE-2026-82943

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Awaiting Analysis

Published: 2026-10-26T09:16:36.023

Modified: 2026-10-26T13:45:21.740

Link: CVE-2026-82943

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-10-26T11:00:17Z

Weaknesses
  • CWE-125

    Out-of-bounds Read

  • CWE-195

    Signed to Unsigned Conversion Error

  • CWE-200

    Exposure of Sensitive Information to an Unauthorized Actor