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CVE-2026-1773 is a high severity vulnerability with a CVSS score of 7.5. No known exploits currently, and patches are available.
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Very low probability of exploitation
EPSS predicts the probability of exploitation in the next 30 days based on real-world threat data, complementing CVSS severity scores with actual risk assessment.
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.
| Vendor | Product |
|---|---|
| Hitachienergy | Rtu530 Firmware |
| Hitachienergy | Rtu540 Firmware |
| Hitachienergy | Rtu560 |
| Hitachienergy | Rtu560 Firmware |
| Hitachienergy | Rtu530 |
| Hitachienergy | Rtu520 |
| Hitachienergy | Rtu520 Firmware |
| Hitachienergy | Rtu540 |