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Unrated severityNVD Advisory· Published Dec 17, 2011· Updated Jun 16, 2026

CVE-2011-4861

CVE-2011-4861

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.

Affected products

4
  • Schneider Electric/Quantum Ethernet Module4 versions
    cpe:2.3:a:schneider-electric:quantum_ethernet_module_140noe77100:*:*:*:*:*:*:*:*+ 3 more
    • cpe:2.3:a:schneider-electric:quantum_ethernet_module_140noe77100:*:*:*:*:*:*:*:*range: <=3.3
    • cpe:2.3:a:schneider-electric:quantum_ethernet_module_140noe77101:*:*:*:*:*:*:*:*range: <=4.9
    • cpe:2.3:a:schneider-electric:quantum_ethernet_module_140noe77111:*:*:*:*:*:*:*:*range: <=5.0
    • (no CPE)

Patches

Vulnerability mechanics

References

1

News mentions

0

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