VULNERABILITY INTELLIGENCE

CVE-2026-31851

CVSS score9.8 CRITICAL
EPSS probability0.35%
CISA KEVNot currently listed
Published2026-03-23
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Description

Nexxt Solutions Nebula 300+ firmware through version 12.01.01.37 does not implement rate limiting or account lockout mechanisms on authentication interfaces. An attacker can perform unlimited authentication attempts against endpoints that rely on credential validation, enabling brute-force attacks to guess administrative credentials without restriction.

Weakness classification

  • 309f9ea4-e3e9-4c6c-b79d-e8eb01244f2c: CWE-307

Primary references