High severity7.5NVD Advisory· Published Mar 23, 2020· Updated May 28, 2026
CVE-2020-7477
CVE-2020-7477
Description
A CWE-754: Improper Check for Unusual or Exceptional Conditions vulnerability exists in Quantum Ethernet Network module 140NOE771x1 (Versions 7.0 and prior), Quantum processors with integrated Ethernet – 140CPU65xxxxx (all Versions), and Premium processors with integrated Ethernet (all Versions), which could cause a Denial of Service when sending a specially crafted command over Modbus.
Affected products
4- Quantum/Ethernet Network module 140NOE771x1description
- Range: <=7.0
- Range: all Versions
- Range: all Versions
Patches
Vulnerability mechanics
References
1- www.se.com/ww/en/download/document/SEVD-2020-070-02/nvdVendor Advisory
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