Is this vulnerability remotely exploitable over the internet?

It can be, but only if the device's management interface is exposed beyond trusted networks (for example, via port forwarding, misconfigured firewalls, or public IP assignments). If the device is reachable from the internet, any remote user could interact with the management interface without authentication.

What level of access does an attacker need to exploit this issue?

The attacker only needs network-level reachability to the device's web management port. No credentials or prior access to the device are required. Access might be obtained from a local LAN, a connected OT network, a VPN, or through misconfigured routing controls.

What is the safest general fix pattern for this type of vulnerability?

The most robust fix pattern is to enforce strong authentication and authorization for all management functions, ensuring that sensitive actions are only available to authenticated administrators. Until such controls are available, network-level isolation and strict access control around the management interface serve as compensating controls.

Severity:

CRITICAL RISK

(10.0)

Missing Authentication for Web Management Interface (CWE-306) in Synectix LAN 232 TRIO Serial-to-Ethernet Adapter

CVE-2026-1633

Published:

Feb 3, 2026

Status:

Awaiting Analysis

Summary

Affected Context

Exploit Preconditions

Why This Happens

Potential Impact

General Mitigation Guidance

How Teams Detect Issues Like This

Frequently Asked Questions

Source

NDV

Recent Vulnerabilities

CWE-306

CRITICAL RISK

CRITICAL

(9.8)

Missing Authentication for Forgot-Password Email Change API (CWE-306)

Account Takeover / Loss of Account Control

February 17, 2026

CWE-77;CWE-78

HIGH RISK

HIGH

(7.3)

OS Command Injection (CWE-78) in node-sonos-http-api TTS Provider for macOS

Remote Code Execution on the Server Host

February 17, 2026

Vulnerability Type

Category:

Missing Authentication

CWE:

CWE-306

Impact:

Unauthenticated Administrative Access and Device Takeover

Severity:

CRITICAL RISK

(10.0)

CVSS Version:

3.1

Vulnerability Type

Category:

Missing Authentication

CWE:

CWE-306

Impact:

Unauthenticated Administrative Access and Device Takeover

Severity:

CRITICAL RISK

(10.0)

CVSS Version:

3.1

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355 Bryant St. San Francisco, CA 94107, USA

Ask AI for summary of CodeAnt

Missing Authentication for Web Management Interface (CWE-306) in Synectix LAN 232 TRIO Serial-to-Ethernet Adapter

Summary

Affected Context

Exploit Preconditions

Why This Happens

Potential Impact

General Mitigation Guidance

How Teams Detect Issues Like This

Frequently Asked Questions

Source

Recent Vulnerabilities

CRITICAL RISK

CRITICAL

(9.8)

Missing Authentication for Forgot-Password Email Change API (CWE-306)

HIGH RISK

HIGH

(7.3)

OS Command Injection (CWE-78) in node-sonos-http-api TTS Provider for macOS

Vulnerability Type

Vulnerability Type

Vulnerability Type

Vulnerability Type

Catch This CVE While Code Is Being Written

Ship clean & secure code faster

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