CVE-2019-5082
Critical
Description
An exploitable heap 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 heap buffer overflow, potentially resulting in code execution. An attacker can send unauthenticated packets to trigger this vulnerability.
SeverityCritical
CVSS9.8
Exploit probability—
ProductWago Pfc200 Firmware
PublishedJan 8, 2020
First seenJan 8, 2020
How to fix
Sources list no fixed version or patch link for this vulnerability.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| wago pfc200_firmware | 03.00.39\(12\), 03.01.07\(13\) | — |
| wago pfc100_firmware | 03.00.39\(12\) | — |
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