---
cve: "CVE-2019-5177"
severity: "LOW"
cvss: 3.1
epss: "46%"
vendor: "WAGO"
kev: false
exploited: false
published: "2020-03-12 00:15:18"
tags: [cve, security, low]
source: tsecurity.de CVE-Dossier
exported: "2026-09-17T12:44:48+02:00"
---

# CVE-2019-5177

> 3.1 LOW

## Beschreibung

An exploitable stack buffer overflow vulnerability vulnerability exists in the iocheckd service ‘I/O-Check’ functionality of WAGO PFC 200 Firmware version 03.02.02(14). The destination buffer sp+0x440 is overflowed with the call to sprintf() for any domainname values that are greater than 1024-len(‘/etc/config-tools/edit_dns_server domain-name=‘) in length. A domainname value of length 0x3fa will cause the service to crash.

## Referenzen

- <https://talosintelligence.com/vulnerability_reports/TALOS-2019-0963>

---
_Exportiert aus dem [tsecurity.de CVE-Dossier](https://tsecurity.de/cve?cve=CVE-2019-5177) · Datenquellen: EUVD (ENISA), NVD, OSV, CISA KEV, FIRST EPSS, Exploit-DB, BSI BITS_