CVE-2026-31851
Received
Received - Intake
Authentication Brute Force Vulnerability in Nexxt Nebula 300+ Firmware
Publication date: 2026-03-23
Last updated on: 2026-04-29
Assigner: 309f9ea4-e3e9-4c6c-b79d-e8eb01244f2c
Description
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.
CVSS Scores
EPSS Scores
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Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| nexxtsolutions | nebula300plus_firmware | to 12.01.01.37 (inc) |
Helpful Resources
Exploitability
| CWE ID | Description |
|---|---|
| CWE-307 | The product does not implement sufficient measures to prevent multiple failed authentication attempts within a short time frame. |