CVE-2026-86474

Improper Certificate Validation in the Firmware Download vulnerability

Published Sep 16, 2026 CVSS 4.0 · 7.7 High EPSS < 1% KEV · Not listed
Description
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
References
History
Type Values Removed Values Added
First Time appeared Fermax
Fermax duox Plus Monitor Firmware (veo Wi-fi Range)
Vendors & Products Fermax
Fermax duox Plus Monitor Firmware (veo Wi-fi Range)
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
Description 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.
Title Improper Certificate Validation in the Firmware Download vulnerability
Weaknesses CWE-295
References
Metrics cvssV4_0

{'score': 7.7, 'vector': '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'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
FERMAX
Published
Updated
Sep 16, 2026, 1:25 PM
Reserved
Sep 7, 2026, 3:03 PM
Status
Deferred
Published
Sep 16, 2026, 10:16 AM
Modified
Sep 18, 2026, 7:44 PM