CVE-2019-5075

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.

Score

CVSS 3.1 9.8 Critical

Status

Modified - talos-cna@cisco.com

Published

2019-12-18

Last modified

2024-08-04

Weaknesses

CWE-787

Affected products

• Pfc 100 Firmware (Wago)
• Pfc 200 Firmware (Wago)

References

• https://talosintelligence.com/vulnerability_reports/TALOS-2019-0864