CVE-2019-5166

HIGH
7.8
CVSS Score
Published: March 10, 2020 at 10:25 PM UTC
Updated: June 17, 2026 at 02:37 AM UTC
2 products affected across 1 vendorPFC200 FirmwarePFC200

Using WAGO PFC200 Firmware by Wago?

Get instant alerts when new vulnerabilities affect WAGO PFC200 Firmware - before attackers find them.

Real-time alertsTrack your software stackFree plan available
Severity
HIGH7.8
Exploit prediction
EPSS 0.8%

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

References (1)

x_refsource_MISCExploitMitigationThird Party Advisory
https://talosintelligence.com/vulnerability_reports/TALOS-2019-0961

CVSS

Attack Vector
LOCAL
Complexity
LOW
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-787

Get alerted

Stop reading CVE feeds looking for your own stack

Track the products you run and VulnTracker tells you when a new CVE affects them — with what is known about fixing it, and nothing about the rest.

Free plan, no card