CVE-2026-16316

Medium

Description

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.

SeverityMedium

CVSS4.3

Exploit probability—

ProductOMICRON StationGuard

PublishedAug 6, 2026

First seenAug 6, 2026

Weakness typeCWE-20Improper input validation

How to fix

Vendor advisories

omicronenergy.com/.well-known/csaf/osa-21.json

Affected products

Product	Affected versions	Fixed in
OMICRON electronics GmbH OMICRON StationGuard	4.00	—

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