CVE-2019-5166

An exploitable stack buffer overflow vulnerability exists in the iocheckd service ‘I/O-Check’ functionality of WAGO PFC 200 version 03.02.02(14). A specially crafted XML cache file written to a specific location on the device can cause a stack buffer overflow, resulting in code execution. An attacker can send a specially crafted packet to trigger the parsing of this cache file.

Score

CVSS 3.1 7.8 High

Status

Modified - talos-cna@cisco.com

Published

2020-03-11

Last modified

2024-08-04

Weaknesses

CWE-787

Affected products

• Pfc200 Firmware (Wago)
• Wago Pfc200 Firmware (Wago)

References

• https://talosintelligence.com/vulnerability_reports/TALOS-2019-0961