CVE-2026-86474highCWE-295

CVE-2026-86474: high-severity vulnerability in Fermax Electronica S.A.U.

Improper Certificate Validation in the Firmware Download vulnerability

Published

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21Vexday Risk Score

No sign of exploitation. No public exploitation artifact known so far.

ssvc Trackcvss 7.7epss 0.1%
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.
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
Affected products
Fermax Electronica S.A.U. · DUOX PLUS monitor firmware (VEO Wi-Fi range)
Related CVEs — Fermax Electronica S.A.U.

In the same product, most dangerous first.

CVE-2026-86585HIGHImproper Verification of the Firmware Signature vulnerabilityEPSS 0.2%CVE-2026-85628HIGHCleartext Transmission of Sensitive Information in the Pairing Process vulnerabilityEPSS 0.1%