CVE-2026-16316: Malformed IEC 61850 Sampled Values frames cause partial denial of service in StationGuard
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 Software
Event History
Frequently Asked Questions
What is the severity of CVE-2026-16316?
The severity of CVE-2026-16316 is rated as medium with a score of 4.3.
How do I fix CVE-2026-16316?
To fix CVE-2026-16316, update to the latest version of OMICRON StationGuard that addresses the improper input validation vulnerability.
What impact does CVE-2026-16316 have on my system?
CVE-2026-16316 can cause a partial denial of service by terminating the affected process, disrupting Sampled Values alert processing.
Is CVE-2026-16316 remotely exploitable?
Yes, CVE-2026-16316 is exploitable remotely due to its nature of processing IEC 61850 Sampled Values frames.
What products are affected by CVE-2026-16316?
CVE-2026-16316 affects OMICRON StationGuard version 4.00.