CVE-2026-16316 — Malformed IEC 61850 Sampled Values frames cause partial denial of service in StationGuard

CVE-2026-16316

Malformed IEC 61850 Sampled Values frames cause partial denial of service in StationGuard PUBLISHED

Description (CNA)

OMICRON StationGuard 4.00 contains an improper input validation vulnerability in its IEC 61850 Sampled Values (SV) frame processing. A specially crafted SV frame can cause the affected process to terminate, disrupting alert processing for Sampled Values traffic. The vulnerability does not affect overall system availability or the processing of other traffic types, and the process is automatically restarted, and the failure is immediately reported to the user.

Affected (CNA)

Vendor / product	Versions
OMICRON electronics GmbH / OMICRON StationGuard	affected 4.00

CWE

CWE-20

References

https://www.omicronenergy.com/.well-known/csaf/osa-21.json

ADP enrichment

CISA-ADP

No English description supplied.

No references supplied.