CVE-2019-5082

An exploitable heap 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 heap buffer overflow, potentially resulting in code execution. An attacker can send unauthenticated packets to trigger this vulnerability.

• CWE-787

• https://talosintelligence.com/vulnerability_reports/TALOS-2019-0874Exploit, Third Party Advisory
• https://talosintelligence.com/vulnerability_reports/TALOS-2019-0874Exploit, Third Party Advisory

Published

Jan 8, 2020

Last Modified

Jun 17, 2026

Status

Modified

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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