NVD Vulnerability Detail
Search Exploit, PoC
CVE-2026-8479
Summary

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.

Publication Date May 26, 2026, 11:16 p.m.
Registration Date May 27, 2026, 4:08 a.m.
Last Update May 27, 2026, 1:16 a.m.
Related information, measures and tools
Common Vulnerabilities List