CVE-2019-18352: Phoenixcontact Fl Nat 2208 Firmware

High severity, CVSS 8.2. EPSS: 0.4% chance of exploitation in the next 30 days.

Improper access control exists on PHOENIX CONTACT FL NAT 2208 devices before V2.90 and FL NAT 2304-2GC-2SFP devices before V2.90 when using MAC-based port security.

Affected products

• Phoenixcontact Fl Nat 2208 Firmware: before 2.90 (fixed in 2.90)
• Phoenixcontact Fl Nat 2304-2gc-2sfp Firmware: before 2.90 (fixed in 2.90)

Published 2020-02-18. Last modified 2026-06-17.