What’s Vulnerable › Vulnerabilities
CVE-2026-86474: Improper Certificate Validation in the Firmware Download vulnerability
- Severity: high (CVSS 7.7 v4.0)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 0.1% probability of exploitation in the next 30 days
- Public exploit or detection template: none known
- Published: 2026-09-16 · updated 2026-09-18
- Weakness: CWE-295
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.
Affected products
- Fermax Electronica S.A.U. DUOX PLUS monitor firmware (VEO Wi-Fi range): before 01.48.001 — fixed in 01.48.001
How to fix
Upgrade to a fixed version: Fermax Electronica S.A.U. DUOX PLUS monitor firmware (VEO Wi-Fi range) 01.48.001. Check the vendor advisory for mitigations.
References
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