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Case File

CVE-2011-4861

HIGH · CVSS 10 EPSS 3.04%

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2011-12-17 · Last synced 2026-08-04

CyberRota Analysis

This is a high severity vulnerability with a CVSS score of 10.0. It may be remotely exploitable.

CVE
CVE-2011-4861
Severity
HIGH
CVSS
10
EPSS
3.04%

Original NVD 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.