Out-of-bounds Read in Rt-Labs Ab Soem
CVE-2026-82947
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.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.1 (High). Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:L.
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.
Affected products
Weakness classification (CWE)
References
- a6d3dc9e-0591-4a13-bce7-0f5b31ff6158 (vendor-advisory)
Frequently asked questions
- What is CVE-2026-82947?
- CVE-2026-82947 is a high-severity vulnerability in Rt-Labs Ab Soem, classified under Out-of-bounds Read. CVSS score: 7.1/10. Published 2026-10-26.
- How severe is CVE-2026-82947?
- High severity. CVSS v3 base score is 7.1 out of 10.