CVE-2011-4861
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.
- EPSS
- 3.0% chance of exploitation in the next 30 days; higher than 87% of CVEs (scores of 2026-10-31)
- CWE
- CWE-264
- Published
- Modified
- Record from
- the NVD, synced
Affected
- schneider-electric:quantum_ethernet_module_140noe77100
- schneider-electric:quantum_ethernet_module_140noe77101
- schneider-electric:quantum_ethernet_module_140noe77111