EUVD-2026-51361

A crafted IEC 60870-5-104 I-frame with a declared object count exceeding what fits in the ASDU body causes InformationObjectParseObjectAddress to read one byte past the end of the heap-allocated message buffer...

EUVD-2026-51362

A crafted IEC 60870-5-104 I-frame with TypeID 104 CTSNA1 and an inflated object count causes TestCommandgetFromBuffer to read one byte past the end of the heap-allocated message buffer...

MZ Automation lib60870

ADVISORY SUMMARY Successful exploitation of these vulnerabilities could crash the device being accessed. 2. RECOMMENDED PRACTICES CISA recommends users take defensive measures to minimize the risk of exploitation of these vulnerabilities. Minimize network exposure for all control system devices...