Improper Verification of the Firmware Signature vulnerability
Priority LOW 35CWE-347Published · Updated
Key facts
- Attack vector
- Adjacent network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Attack requirements
- Present
- Impact type
- Security bypass
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- Fixed
Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-347.
Summary
The lack of signature verification of firmware update packages in VEO and VEO-XS Wi-Fi monitors, in versions prior to 01.48.001, allows an attacker who controls the delivery of an update to install unauthorised firmware.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00157 4th percentileScored 2026-11-07
Fix Fixed DUOX PLUS monitor firmware (VEO Wi-Fi range) (Fermax Electronica S.A.U.): 01.48.001
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Total
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Fermax Electronica S.A.U. | DUOX PLUS monitor firmware (VEO Wi-Fi range) | before 01.48.001 | 01.48.001 | Patch available | CNA |
- DUOX PLUS monitor firmware (VEO Wi-Fi range) VendorFermax Electronica S.A.U. Affected before 01.48.001 Fixed in 01.48.001 Patch available CNA
Remediation
- Fix · CNA DUOX PLUS monitor firmware (VEO Wi-Fi range) (Fermax Electronica S.A.U.) Fixed in 01.48.001
Fixed in the same release
Records fixed by the same vendor advisory or release, as the CNA lists them.
- Advisory ·
Fermax Electronica S.A.U. DUOX PLUS monitor firmware (VEO Wi-Fi range) — fermax.com/security-advisories
3 records Highest priority Priority LOW 3 LOW
Other records, highest priority first
- TI-2026-59168 Improper Certificate Validation in the Firmware Download vulnerabilityPriority LOW 34
- TI-2026-58752 Cleartext Transmission of Sensitive Information in the Pairing Process vulnerabilityPriority LOW 29
Timeline
- 2026-10-02 Threatist record created from CVE-2026-86585
- 2026-10-03 Alias added: GHSA-w8g5-67fq-vjx9
References
Advisory 1
More Fermax Electronica S.A.U. vulnerabilities
- TI-2026-59168 Improper Certificate Validation in the Firmware Download vulnerability CVSS 4.0HIGH 7.7
- TI-2026-59150 Cleartext storage of sensitive information in Fermax Electronica S.A.U. DuoxMe CVSS 4.0MEDIUM 6.9
- TI-2026-58752 Cleartext Transmission of Sensitive Information in the Pairing Process vulnerability CVSS 4.0HIGH 7.0
Sources
- CVE-2026-86585 · CVE Program
- CVE-2026-86585 · NVD
- FIRST EPSS
- GHSA-w8g5-67fq-vjx9 · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences