Home

Description

The Synectix LAN 232 TRIO 3-Port serial to ethernet adapter exposes its web management interface without requiring authentication, allowing unauthenticated users to modify critical device settings or factory reset the device.

PUBLISHED Reserved 2026-01-29 | Published 2026-02-03 | Updated 2026-02-03 | Assigner icscert




CRITICAL: 10.0CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H

CRITICAL: 10.0CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H

Problem types

CWE-306 Missing Authentication for Critical Function

Product status

Default status
unaffected

All versions
affected

Credits

Souvik Kandar of MicroSec reported this vulnerability to CISA finder

References

www.cisa.gov/news-events/ics-advisories/icsa-26-034-04

github.com/...p/csaf_files/OT/white/2026/icsa-26-034-04.json

cve.org (CVE-2026-1633)

nvd.nist.gov (CVE-2026-1633)

Download JSON