CVE-2026-82943
CVE-2026-82943
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.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.
EPSS exploit prediction
No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.
Weakness classification (CWE)
References
- a6d3dc9e-0591-4a13-bce7-0f5b31ff6158 (vendor-advisory)
Frequently asked questions
- What is CVE-2026-82943?
- CVE-2026-82943 is a medium-severity vulnerability, classified under Out-of-bounds Read. CVSS score: 6.5/10. Published 2026-10-26.
- How severe is CVE-2026-82943?
- Medium severity. CVSS v3 base score is 6.5 out of 10.