EUVD-2026-14413

| CVE-2026-31847 HIGH
2026-03-23 TuranSec
8.5
CVSS 4.0
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CVSS Vector

CVSS:4.0/AV:A/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/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
Adjacent
Attack Complexity
Low
Privileges Required
High
User Interaction
None
Scope
X

Lifecycle Timeline

3
Analysis Generated
Mar 23, 2026 - 12:45 vuln.today
EUVD ID Assigned
Mar 23, 2026 - 12:45 euvd
EUVD-2026-14413
CVE Published
Mar 23, 2026 - 12:07 nvd
HIGH 8.5

Tags

Information Disclosure

Description

Hidden functionality in the /goform/setSysTools endpoint in Nexxt Solutions Nebula 300+ firmware through version 12.01.01.37 allows remote enablement of a Telnet service. Once enabled, the service exposes a privileged diagnostic management interface over the network, increasing the attack surface and enabling further compromise of the device.

Analysis

A hidden functionality vulnerability exists in the /goform/setSysTools endpoint of Nexxt Solutions Nebula 300+ firmware through version 12.01.01.37, allowing unauthenticated remote attackers to enable a Telnet service that exposes a privileged diagnostic management interface. This significantly expands the attack surface and enables further device compromise through an unencrypted network protocol. …

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Remediation

Within 7 days: Identify all affected systems and apply vendor patches promptly. Monitor vendor channels for patch availability.

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Priority Score

43
Low Medium High Critical
KEV: 0
EPSS: +0.0
CVSS: +42
POC: 0

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EUVD-2026-14413 vulnerability details – vuln.today
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