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.
History

Wed, 29 Apr 2026 17:45:00 +0000

Type Values Removed Values Added
First Time appeared Nexxtsolutions nebula300plus
Nexxtsolutions nebula300plus Firmware
CPEs cpe:2.3:h:nexxtsolutions:nebula300plus:-:*:*:*:*:*:*:*
cpe:2.3:o:nexxtsolutions:nebula300plus_firmware:*:*:*:*:*:*:*:*
Vendors & Products Nexxtsolutions nebula300plus
Nexxtsolutions nebula300plus Firmware
Metrics cvssV3_1

{'score': 9.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H'}


Thu, 26 Mar 2026 11:00:00 +0000

Type Values Removed Values Added
Description Nexxt Solutions Nebula 300+ firmware through version 12.01.01.37 does not implement rate limiting or account lockout on the authentication interface. 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.
Title Lack of rate limiting allows brute-force attacks in Nexxt Nebula 300+ Lack of Rate Limiting Enables Brute-Force Attacks in Nexxt Nebula 300+

Tue, 24 Mar 2026 10:45:00 +0000

Type Values Removed Values Added
First Time appeared Nexxtsolutions
Nexxtsolutions nebula300+
Vendors & Products Nexxtsolutions
Nexxtsolutions nebula300+

Mon, 23 Mar 2026 16:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}


Mon, 23 Mar 2026 12:45:00 +0000

Type Values Removed Values Added
Description Nexxt Solutions Nebula 300+ firmware through version 12.01.01.37 does not implement rate limiting or account lockout on the authentication interface.
Title Lack of rate limiting allows brute-force attacks in Nexxt Nebula 300+
Weaknesses CWE-307
References
Metrics cvssV4_0

{'score': 7.7, 'vector': 'CVSS:4.0/AV:A/AC:H/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N'}


cve-icon MITRE

Status: PUBLISHED

Assigner: TuranSec

Published: 2026-03-23T12:21:54.907Z

Updated: 2026-03-26T10:47:04.841Z

Reserved: 2026-03-09T18:20:23.399Z

Link: CVE-2026-31851

cve-icon Vulnrichment

Updated: 2026-03-23T15:16:33.710Z

cve-icon NVD

Status : Analyzed

Published: 2026-03-23T13:16:30.960

Modified: 2026-04-29T17:37:36.430

Link: CVE-2026-31851

cve-icon Redhat

No data.