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CVE-2026-86474

Improper Certificate Validation in the Firmware Download vulnerability

CVSS 4.0 7.7 HIGHCheck source for fixed versionsKEV status unknown

Original advisory

cve-program · CVE-2026-86474

Published

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.

Read the publisher's advisory

Affected versions, risk and source history

cve-program · CVE-2026-86474

Published

DUOX PLUS monitor firmware (VEO Wi-Fi range)

Vendor product

Publisher's version information

Shown as published. These rules are not interpreted as NuGet package version ranges.

{
                    "vendor": "Fermax Electronica S.A.U.",
                    "product": "DUOX PLUS monitor firmware (VEO Wi-Fi range)",
                    "platforms": [
                        "VEO-WIFI",
                        "VEO-XS-WIFI",
                        "VEO-XS-WIFI-DDA",
                        "VEO-XL-WIFI",
                        "VEO-XL-WIFI-DDA"
                    ],
                    "versions": [
                        {
                            "status": "affected",
                            "version": "0",
                            "lessThan": "01.48.001",
                            "versionType": "custom"
                        }
                    ],
                    "defaultStatus": "unaffected"
                }

Original source record · Cite this exact observation · Complete original publisher JSON