Description
The universal protocol implementation in Sixnet UDR before 2.0 and RTU firmware before 4.8 allows remote attackers to execute arbitrary code; read, modify, or create files; or obtain file metadata via function opcodes.
Advisories 1
- ICSA-13-231-01B Sixnet Universal Protocol Undocumented Function Codes (Update B) CISA ICS & IT advisories · Jun 6, 2025