An exploitable denial-of-service vulnerability exists in the iocheckd service ‘’I/O-Chec’’ functionality of WAGO PFC 200 Firmware versions 03.01.07(13) and 03.00.39(12), and WAGO PFC 100 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.
[
{
"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)"
}
]
}
]