Buffer Overflow Vulnerability in WAGO PFC 200 Firmware
CVE-2019-5177

5.5MEDIUM

Key Information:

Vendor

Wago

Status
Wago Pfc200
Vendor
CVE Published:
12 March 2020

What is CVE-2019-5177?

A buffer overflow vulnerability exists in the I/O-Check service of the WAGO PFC 200 firmware. It occurs when a domain name value exceeds a certain length, specifically when it causes a stack overflow via the sprintf() function. When these length constraints are breached, it can lead to instability, causing the service to crash. This vulnerability poses a significant risk to systems running the affected firmware, requiring immediate attention to prevent potential exploitation.

Affected Version(s)

WAGO PFC200 Firmware version 03.02.02(14)

References

https://talosintelligence.com/vulnerability_reports/TALOS...
x_refsource_MISC

CVSS V3.1

Score:
5.5
Severity:
MEDIUM
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Local
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.