WAGO Series 750-88x and 750-352 (ICSA-20-308-01) – Products Used in the Energy Sector

CISA has published an advisory on an uncontrolled resource consumption vulnerability in WAGO Series 750-88x and 750-352. A series of firmware versions prior to FW11 are affected. Successful exploitation of this vulnerability could allow an attacker to crash the device being accessed using a denial-of-service attack. WAGO recommends updating to the latest firmware, Version FW14. It also recommends other mitigations and workarounds to help reduce the risk. CISA also recommends a series of measures to mitigate the vulnerability. Read the advisory at CISA.