CVE-2026-1633

Synectix LAN 232 TRIO Missing Authentication for Critical Function

CVSS 10 CRITICALEPSS 0.5%CWE-306

Vexday Risk Score

28Low

SSVC decision (CISA)

Track

No exploitation signal → monitor

CVSS 10EPSS 0.5%KEV nãoPoC —Nuclei —Metasploit —Patch —

Lifecycle

03 Feb 2026Published on NVD

Recommendation: Monitor — no exploitation signal at the moment.

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.

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

Affected products

Synectix · LAN 232 TRIO

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References

https://github.com/cisagov/CSAF/blob/develop/csaf_files/OT/white/2026/icsa-26-034-04.json https://www.cisa.gov/news-events/ics-advisories/icsa-26-034-04