CVE-2011-4861 - CVE House
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Status published Critical CVE-2011-4861

The modbus_125_handler function in the Schneider Electric Quantum Ethernet Module...

Vulnerability 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.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

No credits recorded in the NVD database.

Affected Vendor

schneider-electric

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Affected Software

quantum ethernet module 140noe77100, quantum ethernet module 140noe77101, quantum ethernet module 140noe77111
Vulnerable Versions:
0

Timeline

Official Publish: December 17th, 2011
Last Modified: September 16th, 2024
Added to House: July 19th, 2026

CVSS Vectors

Weaknesses (CWE)

No CWE data available

MITRE ATT&CK TTPs

No associated TTPs found for this vulnerability.