CVEvulnerability

CVE-2019-5079

9.8 CRITICAL Published 2019-12-18 Modified 2026-06-17 Official page ↗
Status
Modified
Published
2019-12-18
Last modified
2026-06-17
Assigner
[email protected]
CVSS 3.1 ([email protected])
9.8 CRITICAL — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS 2.0 ([email protected])
7.5 HIGH — AV:N/AC:L/Au:N/C:P/I:P/A:P
Weaknesses
CWE-787

Description

An exploitable heap buffer overflow vulnerability exists in the iocheckd service "I/O-Check" functionality of WAGO PFC200 Firmware versions 03.01.07(13) and 03.00.39(12), and WAGO PFC100 Firmware version 03.00.39(12). A specially crafted set of packets can cause a heap buffer overflow, potentially resulting in code execution. An attacker can send unauthenticated packets to trigger this vulnerability.

Affected configurations

• wago pfc 200 firmware 03.00.39\(12\) • wago pfc 200 firmware 03.01.07\(13\) • wago pfc 100 firmware 03.00.39\(12\)

Related

Weakness · CWE (1)

  • CWE-787 Out-of-bounds Write weakness

References