What is CVE-2026-82946?

CVE-2026-82946 is a medium-severity vulnerability in Rt-Labs Ab Soem, classified under NULL Pointer Dereference. CVSS score: 6.5/10. Published 2026-10-26.

How severe is CVE-2026-82946?

Medium severity. CVSS v3 base score is 6.5 out of 10.

NULL pointer dereference in Rt-Labs Ab Soem

CVE-2026-82946

SOEM version 2.0.0 and earlier contains a vulnerability where a malicious device can crash the master system. When the software receives an error response, it clears an internal pointer but continues processing. If another message arrives before timeout, the software attempts to use the cleared pointer, causing a crash. An attacker can trigger this with a simple sequence of two messages.

Published 2026-10-26 · last modified 2026-10-26.

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:N/I:N/A:H.

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

Rt-Labs Ab Soem

Weakness classification (CWE)

References

a6d3dc9e-0591-4a13-bce7-0f5b31ff6158 (vendor-advisory)

Frequently asked questions

What is CVE-2026-82946?: CVE-2026-82946 is a medium-severity vulnerability in Rt-Labs Ab Soem, classified under NULL Pointer Dereference. CVSS score: 6.5/10. Published 2026-10-26.
How severe is CVE-2026-82946?: Medium severity. CVSS v3 base score is 6.5 out of 10.