CVE-2019-5075
Critical
Description
An exploitable stack buffer overflow vulnerability exists in the command line utility getcouplerdetails 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 sent to the iocheckd service "I/O-Check" can cause a stack buffer overflow in the sub-process getcouplerdetails, 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 | 03.00.39\(12\), 03.01.07\(13\) | — |
| wago pfc_100_firmware | 03.00.39\(12\) | — |
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