CVE-2011-4861
Critical
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.
SeverityCritical
CVSS10.0
Exploit probability—
ProductSchneider-electric Quantum Ethernet Module
PublishedDec 17, 2011
First seenDec 17, 2011
How to fix
Sources list no fixed version or patch link for this vulnerability.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| schneider-electric quantum_ethernet_module_140noe77100 | v ≤ 3.3, v ≤ 3.4 | — |
| schneider-electric quantum_ethernet_module_140noe77101 | v ≤ 4.9 | — |
| schneider-electric quantum_ethernet_module_140noe77111 | v ≤ 5.0 | — |
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