Critical severity9.8NVD Advisory· Published Dec 18, 2019· Updated Jun 17, 2026
CVE-2019-5081
CVE-2019-5081
Description
An exploitable heap buffer overflow vulnerability exists in the iocheckd service ''I/O-Chec'' functionality of WAGO PFC 200 Firmware version 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.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
5cpe:2.3:o:wago:pfc_100_firmware:03.00.39\(12\):*:*:*:*:*:*:*+ 1 more
- cpe:2.3:o:wago:pfc_100_firmware:03.00.39\(12\):*:*:*:*:*:*:*
- (no CPE)range: 03.00.39(12)
cpe:2.3:o:wago:pfc_200_firmware:03.00.39\(12\):*:*:*:*:*:*:*+ 2 more
- cpe:2.3:o:wago:pfc_200_firmware:03.00.39\(12\):*:*:*:*:*:*:*
- cpe:2.3:o:wago:pfc_200_firmware:03.01.07\(13\):*:*:*:*:*:*:*
- (no CPE)range: 03.01.07(13), 03.00.39(12)
Patches
Vulnerability mechanics
References
2- talosintelligence.com/vulnerability_reports/TALOS-2019-0873nvdExploitThird Party Advisory
- www.talosintelligence.com/vulnerability_reports/TALOS-2019-0874nvdExploitThird Party Advisory
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