CVE-2011-4861

CriticalCVSS 10.0/10Last modified Jun 16, 2026

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.

Metrics

CVSS 2.0 10.0/10AV:N/AC:L/Au:N/C:C/I:C/A:C

Weakness enumeration

CWE-264

Affected software

No affected versions have been published.

Timeline

Published: Dec 17, 2011
Last modified: Jun 16, 2026
NVD status: Modified

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