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Fencer Intel
high 8.2

CVE-2026-24790 json

Welker OdorEyes EcoSystem Pulse Bypass System with XL4 Controller Missing Authentication for Critical Function

published 8mo ago modified 4mo ago also EUVD-2026-8371

cvss
8.2
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.5%
EPSS 0.5% chance of exploitation in 30 days, percentile 43%
public exploits
0
none known

Summary

The underlying PLC of the device can be remotely influenced, without proper safeguards or authentication.

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Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

cisa ICSA-26-050-04 updated cvss 8.2

Welker OdorEyes EcoSystem Pulse Bypass System with XL4 Controller

  • Welker OdorEyes EcoSystem Pulse Bypass System with XL4 Controller
    affected: mitigation “Welker did not respond to CISA's attempts at coordination. Users of Welker OdorEyes devices are encouraged to contact Welker and keep their systems up to date.” welker.com

From CISA ICS and IT advisories (CSAF, https://github.com/cisagov/CSAF), a U.S. Government work; changed: reduced to products, statuses and remediations. CISA notification · csaf

CISA SSVC

Exploitation
none
Automatable
yes
Technical impact
partial
Assessed
8mo ago

Exploit prediction

0.51% chance of exploitation in the next 30 days, higher than 43% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by version score vector
CNA 3.1 8.2 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:L

Affected products

  • Welker OdorEyes EcoSystem Pulse Bypass System with XL4 Controller

Classification

Weakness
  • CWE-306 Missing Authentication for Critical Functionality

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.