SOEM version 2.0.0 and earlier contains a vulnerability during device configuration where a malicious device can cause memory corruption. The software writes configuration data to a fixed-size array without checking if the array index exceeds its maximum size of EC_MAXFMMU entries. A device presenting more than EC_MAXFMMU configuration blocks can force writes beyond the array boundary, corrupting adjacent memory structures and potentially disrupting subsequent operations.
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History
Tue, 03 Nov 2026 17:00:00 +0000
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Mon, 26 Oct 2026 15:30:00 +0000
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Mon, 26 Oct 2026 09:00:00 +0000
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| Description | SOEM version 2.0.0 and earlier contains a vulnerability during device configuration where a malicious device can cause memory corruption. The software writes configuration data to a fixed-size array without checking if the array index exceeds its maximum size of EC_MAXFMMU entries. A device presenting more than EC_MAXFMMU configuration blocks can force writes beyond the array boundary, corrupting adjacent memory structures and potentially disrupting subsequent operations. | |
| Title | Memory Corruption via FMMU Configuration Table Overflow | |
| Weaknesses | CWE-120 CWE-129 CWE-787 |
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Status: PUBLISHED
Assigner: ENISA
Published: 2026-10-26T08:51:32.194Z
Updated: 2026-10-26T14:35:19.284Z
Reserved: 2026-08-31T12:26:22.054Z
Link: CVE-2026-82945
Updated: 2026-10-26T14:31:07.808Z
Status : Awaiting Analysis
Published: 2026-10-26T09:16:36.257
Modified: 2026-10-26T15:16:44.540
Link: CVE-2026-82945
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