Vulnerability Description
IEC 60870-5-104 used in bidirectional mode in RTU500 is vulnerable for a NULL pointer dereferencing, if a specially crafted sequence of messages is sent for a certain time, causing Denial of Service impact. Product is only affected if IEC 60870-5-104 functionality in bidirectional mode (BCI) is configured.
Related Weaknesses (CWE)
References
FAQ
What is CVE-2026-8479?
CVE-2026-8479 is a documented vulnerability. IEC 60870-5-104 used in bidirectional mode in RTU500 is vulnerable for a NULL pointer dereferencing, if a specially crafted sequence of messages is sent for a certain time, causing Denial of Service i...
How severe is CVE-2026-8479?
CVSS scoring is not yet available for CVE-2026-8479. Check NVD for updates.
Is there a patch for CVE-2026-8479?
Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.