Threats Tagged 'cve-2026-1773'
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Threats Tagged 'cve-2026-1773'
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0 CVE-2026-1773 is a high-severity vulnerability in the Hitachi Energy RTU500 series CMU firmware affecting versions 12.7.1 through 13.8.1. It involves an incomplete list of disallowed inputs in the IEC 60870-5-104 protocol implementation, which can lead to a denial of service when invalid U-format frames are received. The vulnerability only affects devices configured with IEC 60870-5-104 bi-directional functionality. Enabling secure communication per IEC 62351-3 does not fix the vulnerability but can reduce the risk of exploitation. No official patch or fix is currently indicated in the available data. Join the discussion | CVE Database V5 | 02/24/2026, 13:13:17 UTC Added: 02/24/2026, 13:32:14 UTC |
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