CVE-2019-5186 describes a stack buffer overflow in the iocheckd service of WAGO PFC 200 devices, specifically within the "I/O-Check" functionality. An attacker can trigger this vulnerability by sending a specially crafted packet, leading to a crash due to invalid memory access. The vulnerability has a CVSS score of 7.0 (HIGH), indicating a local attack vector with high impact on confidentiality, integrity, and availability, though with high attack complexity. There is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion, and it is not listed in the CISA KEV catalog.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
03.02.02\(14\)CPE matchmatch criteria | cpe:2.3:o:wago:pfc200_firmware:03.02.02\(14\):*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.4 InfoSec Media, 0.1 Vendor Blog, and 0.0 Security Researcher mentions.
Remediation records are not available for this CVE.