ICS-CERT has released an advisory on a PHOENIX CONTACT FL SWITCH vulnerability. All FL SWITCH 3xxx, 4xxx, and 48xxx products running firmware Version 1.0 to 1.32 are affected. Successful exploitation of these vulnerabilities may allow an unauthenticated remote attacker to gain administrative privileges and expose information to unauthenticated users. PHOENIX CONTACT recommends that affected users upgrade to firmware Version 1.33 or higher. ICS-CERT also recommends a series of defensive measures to minimize the risk of exploitation of this vulnerability. ICS-CERT.