{"id":"CVE-2026-82793","title":"Unrestricted upload of file with dangerous type issue exists in Contec CAN 2.0B Communication Wireless LAN / USB Converter Unit","summary":"Unrestricted upload of file with dangerous type issue exists in Contec CAN 2.0B Communication Wireless LAN / USB Converter Unit. If a specially crafted file is uploaded by a remote authenticated attacker, arbitrary code may be executed o…","severity":"high","cvss":7.2,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H","cwe":["CWE-434"],"vendor":"Contec Co., Ltd.","product":"CAN-2-WF","affected":["CAN-2-WF < 2.20","CAN-2-USB < 2.20"],"published":"2026-09-14","updated":"2026-09-16","sourceUpdated":"2026-09-16T19:27:25.623","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-82793","references":[{"url":"https://jvn.jp/en/vu/JVNVU90314828/","label":"vultures@jpcert.or.jp"},{"url":"https://www.contec.com/api/downloadlogger?download=/-/media/Contec/support/security-info/2026/contec_security_ph_26091000_en.pdf","label":"vultures@jpcert.or.jp"}],"tags":["nvd","cve.org"],"epss":0.00351,"epssPercentile":0.287,"ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"total","timestamp":"2026-09-14T11:39:25.591689Z"},"ingestedAt":"2026-09-14T15:23:07.460Z","slug":"CVE-2026-82793","body":"## Overview\n\nUnrestricted upload of file with dangerous type issue exists in Contec CAN 2.0B Communication Wireless LAN / USB Converter Unit. If a specially crafted file is uploaded by a remote authenticated attacker, arbitrary code may be executed on the product.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"twilight","depthScore":40,"depthScoreParts":{"impact":39.6,"likelihood":0.1,"exploitation":0,"ransomware":0},"changes":[]}