CVE-2026-16316

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

Published Aug 6, 2026 CVSS 4.0 · 1.3 Low EPSS < 1% KEV · Not listed
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
First Time appeared Omicron Electronics
Omicron Electronics omicron Stationguard
Vendors & Products Omicron Electronics
Omicron Electronics omicron Stationguard
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
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.
Title Malformed IEC 61850 Sampled Values frames cause partial denial of service in StationGuard
First Time appeared Omicron Electronics Gmbh
Omicron Electronics Gmbh omicron Stationguard
Weaknesses CWE-20
CPEs cpe:2.3:a:omicron_electronics_gmbh:omicron_stationguard:4.00:*:*:*:*:*:*:*
Vendors & Products Omicron Electronics Gmbh
Omicron Electronics Gmbh omicron Stationguard
References
Metrics cvssV3_1

{'score': 4.3, 'vector': 'CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L'}

cvssV4_0

{'score': 1.3, 'vector': 'CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/R:A/RE:M'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
OMICRON
Published
Updated
Aug 6, 2026, 2:44 PM
Reserved
Jul 20, 2026, 3:52 PM
Status
Deferred
Published
Aug 6, 2026, 2:16 PM
Modified
Oct 23, 2026, 9:10 PM