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CVE-2011-4861

Disclosure Date: December 17, 2011
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Description

The modbus_125_handler function in the Schneider Electric Quantum Ethernet Module on the NOE 771 device (aka the Quantum 140NOE771* module) allows remote attackers to install arbitrary firmware updates via a MODBUS 125 function code to TCP port 502.

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CVSS V3 Severity and Metrics
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Technical Analysis