CVE-2011-4860

Severity: critical (CVSS 10.0 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 2.6% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2011-12-17 · updated 2026-06-16
Weakness: CWE-287

Description

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.

Affected products

Schneider-Electric Quantum Ethernet Module 140Noe77100: through 3.3; through 3.4
Schneider-Electric Quantum Ethernet Module 140Noe77101: through 4.9
Schneider-Electric Quantum Ethernet Module 140Noe77111: through 5.0

References

http://reversemode.com/index.php?option=com_content&task=view&id=80&Itemid=1
http://reversemode.com/index.php?option=com_content&task=view&id=80&Itemid=1

Get alerted when CVE-2011-4860 or the next vulnerability affects your stack