description: An exploitable denial of service vulnerability exists in the iocheckd service "I/O-Check" functionality of WAGO PFC200 Firmware versions 03.01.07(13) and 03.00.39(12), and WAGO PFC100 Firmware version 03.00.39(12). A specially crafted set of packets can cause a denial of service, resulting in the device entering an error state where it ceases all network communications. An attacker can send unauthenticated packets to trigger this vulnerability.
problem types: denial of service
affected:
{
product: WAGO PFC200
vendor: n/a
versions:
status: affected, version: Firmware version 03.01.07(13)
status: affected, version: Firmware version 03.00.39(12)
}
{
product: WAGO PFC100
vendor: n/a
versions:
status: affected, version: Firmware version 03.00.39(12)
}
