CVE-2026-1633

CRITICAL EPSS 41.8%

Published Feb 4, 20264mo ago · Modified Jun 17, 20261w ago

10.0 CVSS 4.0

Critical

Published Feb 4, 2026 4mo ago

Last Modified Jun 17, 2026 1w ago

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.

CVSS Details

Base Score

10.0

Exploitability

—

Impact

—

Vector string

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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Attack Vector Network

Attack Complexity Low

Privileges Required None

User Interaction None

Scope X

Threat Intelligence

EPSS Exploit Probability

41.8% percentile

Exploit & Patch Status

No Known Exploit

No Patch Available

Weaknesses 1

CWE-306 Missing Authentication for Critical Function Authentication

References 2

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

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.