Critical severity9.8NVD Advisory· Published Dec 18, 2019· Updated Jun 17, 2026
CVE-2019-5074
CVE-2019-5074
Description
An exploitable stack buffer overflow vulnerability exists in the iocheckd service ''I/O-Check'' functionality of WAGO PFC200 Firmware version 03.01.07(13), WAGO PFC200 Firmware version 03.00.39(12) and WAGO PFC100 Firmware version 03.00.39(12). A specially crafted set of packets can cause a stack buffer overflow, resulting in code execution. An attacker can send unauthenticated packets to trigger this vulnerability.
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Affected products
2Patches
Vulnerability mechanics
References
1- talosintelligence.com/vulnerability_reports/TALOS-2019-0863nvdThird Party Advisory
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