PT-2026-27114 · Nexxt Solutions · Nebula 300+

Angel Barre · Publicado 2026-03-23 · Atualizado 2026-03-23 · CVE-2026-31847

Positive Technologies (AI Summary)

CVSS v3.1

8.8

Alta

Vetor base

AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Name of the Vulnerable Software and Affected Versions Nexxt Solutions Nebula 300+ firmware versions through 12.01.01.37

Description A hidden functionality within the /goform/setSysTools endpoint allows remote activation of a Telnet service. Enabling this service exposes a privileged diagnostic management interface over the network, expanding the attack surface and potentially leading to further compromise of the device. The vulnerable endpoint is /goform/setSysTools.

Recommendations Versions prior to 12.01.01.38 should be updated.

Correção

Hidden Functionality

Enumeração de Fraquezas

CWE-912

Identificadores relacionados

CVE-2026-31847

Produtos afetados

Nebula 300+

Referências · 4

• https://nexxtsolutions.com/connectivity/internal-products/ARN02304U6 · Nota
• https://nvd.nist.gov/vuln/detail/CVE-2026-31847 · Nota de Segurança
• https://nexxt-connectivity-frontend.s3.amazonaws.com/media/docs/Nebula300+_v12.01.01.37.zip · Nota
• https://twitter.com/VulmonFeeds/status/2036139901855367365 · Publicação no Twitter