{"id":"CVE-2026-82785","title":"Stack-based buffer overflow vulnerability exists in Remote I/O Coupler Unit (Server Type) CPSN-MCB271-*","summary":"Stack-based buffer overflow vulnerability exists in Remote I/O Coupler Unit (Server Type) CPSN-MCB271-*. Receiving a specially crafted request created and sent by a remote attacker may cause a denial-of-service (DoS) condition.","severity":"medium","cvss":4.3,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L","cwe":["CWE-121"],"vendor":"Contec Co., Ltd.","product":"Remote I/O Coupler Unit (Server Type) CPSN-MCB271-*","affected":["remote_i_o_coupler_unit_server_type_cpsn-mcb271- < 1.82"],"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-2026-82785","references":[{"url":"https://jvn.jp/en/vu/JVNVU96551518/","label":"vultures@jpcert.or.jp"},{"url":"https://www.contec.com/api/downloadlogger?download=/-/media/Contec/support/security-info/2026/contec_security_cps_26091000_en.pdf","label":"vultures@jpcert.or.jp"}],"tags":["nvd","cve.org"],"epss":0.00296,"epssPercentile":0.22489,"ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"partial","timestamp":"2026-09-14T11:05:41.935763Z"},"ingestedAt":"2026-09-14T15:23:07.462Z","slug":"CVE-2026-82785","body":"## Overview\n\nStack-based buffer overflow vulnerability exists in Remote I/O Coupler Unit (Server Type) CPSN-MCB271-*. Receiving a specially crafted request created and sent by a remote attacker may cause a denial-of-service (DoS) condition.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"sunlit","depthScore":24,"depthScoreParts":{"impact":23.7,"likelihood":0.1,"exploitation":0,"ransomware":0},"changes":[]}