Unrated severityNVD Advisory· Published Dec 17, 2011· Updated Apr 29, 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
3- 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
Patches
0No patches discovered yet.
Vulnerability mechanics
AI mechanics synthesis has not run for this CVE yet.
References
1- reversemode.com/index.phpnvdExploit
News mentions
0No linked articles in our index yet.