CVE-2019-5074
Critical
Description
An exploitable stack buffer overflow vulnerability exists in the iocheckd service ''I/O-Check'' functionality of WAGO PFC200 Firmware version 03.01.07(13), WAGO PFC200 Firmware version 03.00.39(12) and WAGO PFC100 Firmware version 03.00.39(12). A specially crafted set of packets can cause a stack buffer overflow, resulting in code execution. An attacker can send unauthenticated packets to trigger this vulnerability.
SeverityCritical
CVSS9.8
Exploit probability—
ProductWago Pfc 200 Firmware
PublishedDec 18, 2019
First seenDec 18, 2019
How to fix
Sources list no fixed version or patch link for this vulnerability.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| wago pfc_200_firmware | 03.01.07\(13\) | — |
| wago pfc_100_firmware | 03.00.39\(12\) | — |
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