CVE-2026-82943
Out-of-Bounds Read via Unchecked Length Values
CVSS Score
6.5
EPSS Score
0.0%
EPSS Percentile
0th
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.
| CWE | CWE-125 CWE-195 CWE-200 |
| Vendor | rt-labs ab |
| Product | soem |
| Published | Oct 26, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N Attack Vector
Adjacent
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
None
Availability
None
Affected Versions
RT-Labs AB / SOEM
0 < 2.0.1
References
Credits
f0rw4rd (quellsec.dev), alosafuzz, 3ntr0py1337 (LeetProtect Research), Brian Willows (graith.co.uk), Mayur Agnihotri