{"id":"CVE-2026-86474","title":"The lack of TLS certificate validation when downloading firmware updates in VEO and VEO-XS Wi-Fi monitors, in versions prior to 01.48.001, allows an attacker to perform man-in-the-middle attacks on the update channel.","summary":"The lack of TLS certificate validation when downloading firmware updates in VEO and VEO-XS Wi-Fi monitors, in versions prior to 01.48.001, allows an attacker to perform man-in-the-middle attacks on the update channel.","severity":"high","cvss":7.7,"cvssVector":"CVSS:4.0/AV:A/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","cwe":["CWE-295"],"vendor":"Fermax Electronica S.A.U.","product":"DUOX PLUS monitor firmware (VEO Wi-Fi range)","affected":["duox_plus_monitor_firmware_veo_wi-fi_range < 01.48.001"],"published":"2026-09-16","updated":"2026-09-18","sourceUpdated":"2026-09-18T19:44:10.957","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-86474","references":[{"url":"https://fermax.com/security-advisories","label":"539080bd-5750-4cce-b30b-eed9a4ef6dcc"}],"tags":["nvd","cve.org"],"epss":0.00109,"epssPercentile":0.01382,"ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"total","timestamp":"2026-09-16T13:25:22.550164Z"},"cvssSource":"cna","ingestedAt":"2026-09-16T10:53:53.924Z","slug":"CVE-2026-86474","body":"## Overview\n\nThe lack of TLS certificate validation when downloading firmware updates in VEO and VEO-XS Wi-Fi monitors, in versions prior to 01.48.001, allows an attacker to perform man-in-the-middle attacks on the update channel.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"twilight","depthScore":42,"depthScoreParts":{"impact":42.4,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}