CVE-2019-5081

CVE-2019-5081 affects WAGO PFC200/PFC100 iocheckd ("I/O-Check"). The vulnerability is a heap buffer overflow in the iocheckd service when processing input, caused by a lack of input validation, enabling an unauthenticated remote attacker to potentially execute arbitrary code. Affected firmware: P...

CVE-2019-5077

CVE-2019-5077 affects WAGO PFC200/PFC100 iocheckd (IOC-Check) Missing Authentication for Critical Function. A specially crafted unauthenticated packet can trigger a denial-of-service, causing the device to enter an error state and cease all network communications. Affected firmware: PFC200 03.01....

CVE-2019-5077: Missing Authentication for Critical Function

An exploitable denial-of-service vulnerability exists in the iocheckd service ‘’I/O-Chec’’ functionality of WAGO PFC 200 Firmware versions 03.01.0713 and 03.00.3912, and WAGO PFC 100 Firmware version 03.00.3912. A specially crafted set of packets can cause a denial of service, resulting in the...