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.
Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).
| Vendor | Product | Default status | Versions | ||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Hitachi Energy | RTU500 series CMU firmware | unaffected |
|
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Project Subscriptions
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No advisories yet.
Solution
No solution given by the vendor.
Workaround
No workaround given by the vendor.
Tue, 26 May 2026 13:45:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Description | IEC 60870-5-104 used in bidirectional mode 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. | |
| Weaknesses | CWE-476 | |
| References |
| |
| Metrics |
cvssV4_0
|
Projects
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MITRE
Status: PUBLISHED
Assigner: Hitachi Energy
Published:
Updated: 2026-05-26T11:54:09.962Z
Reserved: 2026-05-13T13:42:53.588Z
Link: CVE-2026-8479
Vulnrichment
No data.
NVD
Status : Received
Published: 2026-05-26T14:16:41.247
Modified: 2026-05-26T14:16:41.247
Link: CVE-2026-8479
Redhat
No data.
OpenCVE Enrichment
No data.