Nexxt Solutions Nebula 300+ firmware through version 12.01.01.37 does not implement CSRF protections on state-changing administrative endpoints. A remote attacker can induce an authenticated administrator to submit crafted requests that modify device settings, including security-relevant configuration, without the administrator's intent.

Attack Vector Network

Attack Complexity Low

Privileges Required None

Attack Requirements None

User Interaction Passive

Vulnerable System Confidentiality Impact None

Vulnerable System Integrity Impact High

Vulnerable System Availability Impact High

Subsequent System Confidentiality Impact None

Subsequent System Integrity Impact None

Subsequent System Availability Impact None

No CVSS v3.1

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

No EPSS score available.

Exploitation none

Automatable yes

Technical Impact partial

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions
Nexxt Solutions Nebula 300+ unaffected
Version Status Constraints
<= 12.01.01.37 affected
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Subscriptions

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Tracking

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Advisories

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Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References
Link Providers
https://nexxt-connectivity-frontend.s3.amazonaws.com/media/docs/Nebula300+_v12.01.01.37.zip cve-icon cve-icon
https://www.nexxtsolutions.com/connectivity/internal-products/ARN02304U6/ cve-icon cve-icon
History

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

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'partial'}, '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 CSRF protections on state-changing administrative endpoints. A remote attacker can induce an authenticated administrator to submit crafted requests that modify device settings, including security-relevant configuration, without the administrator's intent.
Title Missing CSRF protection on state-changing endpoints in Nexxt Nebula 300+
Weaknesses CWE-352
References
Metrics cvssV4_0

{'score': 7.2, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:H/VA:H/SC:N/SI:N/SA:N'}
cve-icon MITRE

Status: PUBLISHED

Assigner: TuranSec

Published:

Updated: 2026-03-23T15:51:53.375Z

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

Link: CVE-2026-31849

cve-icon Vulnrichment

Updated: 2026-03-23T15:17:49.181Z

cve-icon NVD

Status : Awaiting Analysis

Published: 2026-03-23T13:16:30.640

Modified: 2026-03-23T14:31:37.267

Link: CVE-2026-31849

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.

Weaknesses