CVE-2019-9744: Phoenixcontact Fl Nat Smcs 8tx Firmware

High severity, CVSS 8.8. EPSS: 1.6% chance of exploitation in the next 30 days.

An issue was discovered on PHOENIX CONTACT FL NAT SMCS 8TX, FL NAT SMN 8TX, FL NAT SMN 8TX-M, and FL NAT SMN 8TX-M-DMG devices. There is unauthorized access to the WEB-UI by attackers arriving from the same source IP address as an authenticated user, because this IP address is used as a session identifier.

Affected products

• Phoenixcontact Fl Nat Smcs 8tx Firmware: affected versions not specified
• Phoenixcontact Fl Nat Smn 8tx-M-Dmg Firmware: affected versions not specified
• Phoenixcontact Fl Nat Smn 8tx-M Firmware: affected versions not specified
• Phoenixcontact Fl Nat Smn 8tx Firmware: affected versions not specified

Published 2019-03-26. Last modified 2026-06-17.