Vulnerability: Weak Password Generation in Schneider Electric Quantum Ethernet Module

CVE-2011-4860 · HIGH Severity

AV:N/AC:L/AU:N/C:C/I:C/A:C

The ComputePassword function in the Schneider Electric Quantum Ethernet Module on the NOE 771 device (aka the Quantum 140NOE771* module) generates the password for the fwupgrade account by performing a calculation on the MAC address, which makes it easier for remote attackers to obtain access via a (1) ARP request message or (2) Neighbor Solicitation message.

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