Is CVE-2026-1633 actively exploited?

No active exploitation of CVE-2026-1633 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2026-1633 be exploited remotely?

Yes. CVE-2026-1633 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2026-1633?

CVE-2026-1633 has a CVSS score of 10.0 (CRITICAL).

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CRITICAL

CVE-2026-1633

CWE-306Published: February 4, 2026· Updated: Jun 17, 2026

10.0

CVSS v3.1

Official 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.

NVD Source

Risk Analysis

The Synectix LAN 232 TRIO adapter exposes its web management interface without authentication, allowing unauthenticated users to modify settings or reset the device. This critical vulnerability has a maximum CVSS score of 10.0.

No public exploit is known, and it is not in the CISA KEV. The device is remotely exploitable due to the lack of authentication.

Recommended Action

Restrict access to the management interface via network-level controls such as firewalls or VPNs.

Generated by the CTIWATCH analysis pipeline from this CVE's metadata (CVSS, EPSS, KEV status, exploit intelligence). Verify against vendor advisories before acting.

Technical Analysis

CVE-2026-1633 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 10.0.

The vulnerability has a "Changed" scope, meaning successful exploitation can impact components beyond the vulnerable component itself — such as the host operating system or adjacent services.