CVE-2019-5166

Public Exploit

Description

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.

Category

7.8
CVSS
Severity: High
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.05%
Third-Party Advisory talosintelligence.com
Affected: Wago WAGO PFC200 Firmware
Published at:
Updated at:

References

Link Tags
https://talosintelligence.com/vulnerability_reports/TALOS-2019-0961 mitigation third party advisory exploit

Frequently Asked Questions

What is the severity of CVE-2019-5166?
CVE-2019-5166 has been scored as a high severity vulnerability.
How to fix CVE-2019-5166?
To fix CVE-2019-5166, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2019-5166 being actively exploited in the wild?
It is possible that CVE-2019-5166 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2019-5166?
CVE-2019-5166 affects Wago WAGO PFC200 Firmware.
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