CVE-2018-13994: Phoenixcontact Fl Switch 3004t-Fx Firmware

High severity, CVSS 7.5. EPSS: 2.2% chance of exploitation in the next 30 days.

The WebUI of PHOENIX CONTACT FL SWITCH 3xxx, 4xxx, 48xx versions 1.0 to 1.34 is vulnerable to a denial-of-service attack by making more than 120 connections.

Affected products

  • Phoenixcontact Fl Switch 3004t-Fx Firmware: from 1.0, up to and including 1.34
  • Phoenixcontact Fl Switch 3004t-Fx St Firmware: from 1.0, up to and including 1.34
  • Phoenixcontact Fl Switch 3005 Firmware: from 1.0, up to and including 1.34
  • Phoenixcontact Fl Switch 3005t Firmware: from 1.0, up to and including 1.34
  • Phoenixcontact Fl Switch 3006t-2fx Firmware: from 1.0, up to and including 1.34
  • Phoenixcontact Fl Switch 3006t-2fx Sm Firmware: from 1.0, up to and including 1.34
  • Phoenixcontact Fl Switch 3006t-2fx St Firmware: from 1.0, up to and including 1.34
  • Phoenixcontact Fl Switch 3008 Firmware: from 1.0, up to and including 1.34
  • Phoenixcontact Fl Switch 3008t Firmware: from 1.0, up to and including 1.34
  • Phoenixcontact Fl Switch 3012e-2fx Sm Firmware: from 1.0, up to and including 1.34
  • Phoenixcontact Fl Switch 3012e-2sfx Firmware: from 1.0, up to and including 1.34
  • Phoenixcontact Fl Switch 3016 Firmware: from 1.0, up to and including 1.34
  • Phoenixcontact Fl Switch 3016e Firmware: from 1.0, up to and including 1.34
  • Phoenixcontact Fl Switch 3016t Firmware: from 1.0, up to and including 1.34
  • Phoenixcontact Fl Switch 4000t-8poe-2sfp-R Firmware: from 1.0, up to and including 1.34
  • Phoenixcontact Fl Switch 4008t-2gt-3fx Sm Firmware: from 1.0, up to and including 1.34
  • Phoenixcontact Fl Switch 4008t-2gt-4fx Sm Firmware: from 1.0, up to and including 1.34
  • Phoenixcontact Fl Switch 4008t-2sfp Firmware: from 1.0, up to and including 1.34
  • Phoenixcontact Fl Switch 4012t-2gt-2fx St Firmware: from 1.0, up to and including 1.34
  • Phoenixcontact Fl Switch 4012t 2gt 2fx Firmware: from 1.0, up to and including 1.34
  • Phoenixcontact Fl Switch 4800e-24fx-4gc Firmware: from 1.0, up to and including 1.34
  • Phoenixcontact Fl Switch 4800e-24fx Sm-4gc Firmware: from 1.0, up to and including 1.34
  • Phoenixcontact Fl Switch 4808e-16fx-4gc Firmware: from 1.0, up to and including 1.34
  • Phoenixcontact Fl Switch 4808e-16fx Lc-4gc Firmware: from 1.0, up to and including 1.34
  • Phoenixcontact Fl Switch 4808e-16fx Sm-4gc Firmware: from 1.0, up to and including 1.34
  • and 4 more

Published 2019-05-07. Last modified 2026-06-17.