{"resultsPerPage":1,"startIndex":0,"totalResults":1,"format":"NVD_CVE","version":"2.0","timestamp":"2026-06-26T02:13:16.297","vulnerabilities":[{"cve":{"id":"CVE-2019-5079","sourceIdentifier":"talos-cna@cisco.com","published":"2019-12-18T21:15:14.163","lastModified":"2026-06-17T02:37:05.800","vulnStatus":"Modified","cveTags":[],"descriptions":[{"lang":"en","value":"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."},{"lang":"es","value":"Se presenta una vulnerabilidad de desbordamiento del búfer de la pila explotable en la funcionalidad \"I/O-Check\" del servicio iocheckd de WAGO PFC 200 versiones de firmware 03.01.07(13) y 03.00.39(12), y WAGO PFC100 versión de firmware 03.00.39(12). Un conjunto de paquetes especialmente diseñado puede causar un desbordamiento del búfer de la pila, resultando potencialmente en una ejecución de código. Un atacante puede enviar paquetes no autenticados para activar esta vulnerabilidad."}],"affected":[{"source":"talos-cna@cisco.com","affectedData":[{"vendor":"n/a","product":"WAGO PFC200","versions":[{"version":"Firmware version 03.01.07(13)","status":"affected"},{"version":"Firmware version 03.00.39(12)","status":"affected"}]},{"vendor":"n/a","product":"WAGO PFC100","versions":[{"version":"Firmware version 03.00.39(12)","status":"affected"}]}]}],"metrics":{"cvssMetricV31":[{"source":"nvd@nist.gov","type":"Primary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","baseScore":9.8,"baseSeverity":"CRITICAL","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"HIGH","availabilityImpact":"HIGH"},"exploitabilityScore":3.9,"impactScore":5.9}],"cvssMetricV2":[{"source":"nvd@nist.gov","type":"Primary","cvssData":{"version":"2.0","vectorString":"AV:N/AC:L/Au:N/C:P/I:P/A:P","baseScore":7.5,"accessVector":"NETWORK","accessComplexity":"LOW","authentication":"NONE","confidentialityImpact":"PARTIAL","integrityImpact":"PARTIAL","availabilityImpact":"PARTIAL"},"baseSeverity":"HIGH","exploitabilityScore":10.0,"impactScore":6.4,"acInsufInfo":false,"obtainAllPrivilege":false,"obtainUserPrivilege":false,"obtainOtherPrivilege":false,"userInteractionRequired":false}]},"weaknesses":[{"source":"nvd@nist.gov","type":"Primary","description":[{"lang":"en","value":"CWE-787"}]}],"configurations":[{"operator":"AND","nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:wago:pfc_200_firmware:03.00.39\\(12\\):*:*:*:*:*:*:*","matchCriteriaId":"E2381ABB-66E4-492C-8CB2-9FDFE3601A11"},{"vulnerable":true,"criteria":"cpe:2.3:o:wago:pfc_200_firmware:03.01.07\\(13\\):*:*:*:*:*:*:*","matchCriteriaId":"01297381-B7D4-46FB-BFDD-2B5145C5E379"}]},{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":false,"criteria":"cpe:2.3:h:wago:pfc_200:-:*:*:*:*:*:*:*","matchCriteriaId":"1A20109A-6CF0-465F-8F97-136DDFB95B2B"}]}]},{"operator":"AND","nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:wago:pfc_100_firmware:03.00.39\\(12\\):*:*:*:*:*:*:*","matchCriteriaId":"C1A0CD98-CC70-4FA2-BFB7-6BC765B05C9B"}]},{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":false,"criteria":"cpe:2.3:h:wago:pfc_100:-:*:*:*:*:*:*:*","matchCriteriaId":"CF8E59CE-6A72-49EA-AA44-8714C2411003"}]}]}],"references":[{"url":"https://talosintelligence.com/vulnerability_reports/TALOS-2019-0871","source":"talos-cna@cisco.com","tags":["Exploit","Third Party Advisory"]},{"url":"https://talosintelligence.com/vulnerability_reports/TALOS-2019-0871","source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Exploit","Third Party Advisory"]}]}}]}