Analysis and contextual insights are available on OpenCVE Cloud.
No vendor fix or workaround currently provided.
Additional remediation guidance may be available on OpenCVE Cloud.
Tracking
Sign in to view the affected projects.
No advisories yet.
Thu, 16 Apr 2026 16:45:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Title | Denial of Service via Invalid U-Format Frame in IEC 60870-5-104 |
Sat, 28 Feb 2026 03:15:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Metrics |
ssvc
|
Fri, 27 Feb 2026 19:00:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| First Time appeared |
Hitachienergy rtu520
Hitachienergy rtu520 Firmware Hitachienergy rtu530 Hitachienergy rtu530 Firmware Hitachienergy rtu540 Hitachienergy rtu540 Firmware Hitachienergy rtu560 Hitachienergy rtu560 Firmware |
|
| CPEs | cpe:2.3:h:hitachienergy:rtu520:-:*:*:*:*:*:*:* cpe:2.3:h:hitachienergy:rtu530:-:*:*:*:*:*:*:* cpe:2.3:h:hitachienergy:rtu540:-:*:*:*:*:*:*:* cpe:2.3:h:hitachienergy:rtu560:-:*:*:*:*:*:*:* cpe:2.3:o:hitachienergy:rtu520_firmware:*:*:*:*:*:*:*:* cpe:2.3:o:hitachienergy:rtu520_firmware:13.8.1:*:*:*:*:*:*:* cpe:2.3:o:hitachienergy:rtu530_firmware:*:*:*:*:*:*:*:* cpe:2.3:o:hitachienergy:rtu530_firmware:13.8.1:*:*:*:*:*:*:* cpe:2.3:o:hitachienergy:rtu540_firmware:*:*:*:*:*:*:*:* cpe:2.3:o:hitachienergy:rtu540_firmware:13.8.1:*:*:*:*:*:*:* cpe:2.3:o:hitachienergy:rtu560_firmware:*:*:*:*:*:*:*:* cpe:2.3:o:hitachienergy:rtu560_firmware:13.8.1:*:*:*:*:*:*:* |
|
| Vendors & Products |
Hitachienergy rtu520
Hitachienergy rtu520 Firmware Hitachienergy rtu530 Hitachienergy rtu530 Firmware Hitachienergy rtu540 Hitachienergy rtu540 Firmware Hitachienergy rtu560 Hitachienergy rtu560 Firmware |
|
| Metrics |
cvssV3_1
|
Wed, 25 Feb 2026 12:00:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| First Time appeared |
Hitachienergy
Hitachienergy rtu500 Firmware |
|
| Vendors & Products |
Hitachienergy
Hitachienergy rtu500 Firmware |
Tue, 24 Feb 2026 14:00:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Weaknesses | CWE-20 | CWE-184 |
Tue, 24 Feb 2026 13:30:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Description | IEC 60870-5-104: Potential Denial of Service impact on reception of invalid U-format frame. Product is only affected if IEC 60870-5-104 bi-directional functionality is configured. Enabling secure communication following IEC 62351-3 does not remediate the vulnerability but mitigates the risk of exploitation. | |
| Weaknesses | CWE-20 | |
| References |
| |
| Metrics |
cvssV4_0
|
Status: PUBLISHED
Assigner: Hitachi Energy
Published:
Updated: 2026-02-28T02:20:00.192Z
Reserved: 2026-02-02T16:28:59.394Z
Link: CVE-2026-1773
Updated: 2026-02-28T02:19:54.971Z
Status : Analyzed
Published: 2026-02-24T14:16:22.420
Modified: 2026-02-27T18:56:20.460
Link: CVE-2026-1773
No data.
OpenCVE Enrichment
Updated: 2026-04-16T16:30:15Z