← Database
CVE-2022-3480
HIGH
CVSS: 7.5
Published: 2022-11-15
Modified: 2026-06-17
Description
A remote, unauthenticated attacker could cause a denial-of-service of PHOENIX CONTACT FL MGUARD and TC MGUARD devices below version 8.9.0 by sending a larger number of unauthenticated HTTPS connections originating from different source IP’s. Configuring firewall limits for incoming connections cannot prevent the issue.
Affected Platforms
Phoenixcontact Fl Mguard Rs4004 Tx\/Dtx Vpn FirmwarePhoenixcontact Fl Mguard Smart2Phoenixcontact Fl Mguard Rs4000 Tx\/Tx Vpn FirmwarePhoenixcontact Tc Mguard Rs4000 4G Vpn FirmwarePhoenixcontact Fl Mguard Core TxPhoenixcontact Fl Mguard Delta Tx\/Tx FirmwarePhoenixcontact Fl Mguard Rs4000 Tx\/TxPhoenixcontact Fl Mguard Delta Tx\/TxPhoenixcontact Fl Mguard Pcie4000 Vpn FirmwarePhoenixcontact Fl Mguard Rs2005 Tx Vpn