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.
Metrics
CVSS 3.1 9.8/10
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HWeakness enumeration
Affected software
| Vendor | Product | Versions |
|---|---|---|
| n/a | WAGO PFC200 | Firmware version 03.01.07(13); Firmware version 03.00.39(12) |
| n/a | WAGO PFC100 | Firmware version 03.00.39(12) |
References
- https://talosintelligence.com/vulnerability_reports/TALOS-2019-0863Third Party Advisory
- https://talosintelligence.com/vulnerability_reports/TALOS-2019-0863Third Party Advisory
Timeline
- Published
- Dec 18, 2019
- Last modified
- Jun 17, 2026
- NVD status
- Modified