CVE-2026-16316 OMICRON electronics GmbH CVE debrief

Who should care

Organizations using OMICRON StationGuard 4.00 and relying on IEC 61850 Sampled Values (SV) frame processing should review and verify their configurations to ensure proper input validation. They should also monitor system logs for process termination and alert processing disruptions. Additionally, organizations with affected deployments should consider compensating controls for Sampled Values traffic and prioritize patching or mitigation efforts based on their specific operational context and risk tolerance levels across vendor-supported updates or mitigations through normal change control where exposure is confirmed. Review compensating controls for exposed systems while remediation is scheduled and verified. Check relevant monitoring, detection, and logs for exposed assets that need extra review. Track exceptions, retest remediated assets, and close the item only after evidence is documented. Plan vendor-supported updates or mitigations through normal change control where exposure is confirmed. Confirm whether affected product deployments exist in managed environments and assign an owner for follow-up. Review the supplied official advisory or CVE record to validate affected scope, severity, and vendor guidance. This issue has a low CVSS score of 1.3 and is considered a low-priority defensive review. The process is automatically restarted, and the failure is immediately reported to the user. Limited details are available, and defenders should verify configurations and monitor system logs for potential impacts. The vulnerability affects IEC 61850 Sampled Values (SV) frame processing, potentially causing process termination and disrupting alert processing. Evidence from official CVE and NVD sources indicates a low-severity vulnerability in OMICRON StationGuard 4.00. Organizations using OMICRON StationGuard 4.00 and relying on IEC 61850 Sampled Values (SV) frame processing should review and verify their configurations to ensure proper input validation. The vulnerability is caused by improper input validation in OMICRON StationGuard 4.00's IEC 61850 Sampled Values (SV) frame processing. A specially crafted SV frame can cause the affected process to terminate, dis  …

Technical summary

The vulnerability is caused by improper input validation in OMICRON StationGuard 4.00's 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 process is automatically restarted, and the failure is immediately reported to the user. This issue has a low CVSS score of 1.3 and is considered a low-priority defensive review.

Defensive priority

Low-priority defensive review recommended due to limited impact.

Recommended defensive actions

• Review and verify OMICRON StationGuard 4.00 configurations and IEC 61850 Sampled Values (SV) frame processing
• Monitor system logs for process termination and alert processing disruptions
• Consider compensating controls for Sampled Values traffic
• Confirm whether affected product deployments exist in managed environments and assign an owner for follow-up
• Review the supplied official advisory or CVE record to validate affected scope, severity, and vendor guidance
• Plan vendor-supported updates or mitigations through normal change control where exposure is confirmed
• Check relevant monitoring, detection, and logs for exposed assets that need extra review

Evidence notes

Evidence from official CVE and NVD sources indicates a low-severity vulnerability in OMICRON StationGuard 4.00. The vulnerability affects IEC 61850 Sampled Values (SV) frame processing, potentially causing process termination and disrupting alert processing. Limited details are available, and defenders should verify configurations and monitor system logs for potential impacts.

Official resources