CVE-2026-31849
CSRF Vulnerability in Nexxt Nebula 300+ Firmware Allows Unauthorized Settings Changes
Publication date: 2026-03-23
Last updated on: 2026-04-29
Assigner: 309f9ea4-e3e9-4c6c-b79d-e8eb01244f2c
Description
Description
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-352 | The web application does not, or cannot, sufficiently verify whether a request was intentionally provided by the user who sent the request, which could have originated from an unauthorized actor. |
Attack-Flow Graph
AI Powered Q&A
Can you explain this vulnerability to me?
The vulnerability exists in Nexxt Solutions Nebula 300+ firmware versions up to 12.01.01.37, where there is no Cross-Site Request Forgery (CSRF) protection on state-changing administrative endpoints.
This means a remote attacker can trick an authenticated administrator into submitting crafted requests that change device settings without the administrator's knowledge or intent.
How can this vulnerability impact me? :
This vulnerability can allow an attacker to modify important device settings, including security-related configurations, by exploiting the lack of CSRF protections.
Such unauthorized changes could compromise the security and proper functioning of the device, potentially leading to further exploitation or loss of control.
How does this vulnerability affect compliance with common standards and regulations (like GDPR, HIPAA)?:
I don't know
How can this vulnerability be detected on my network or system? Can you suggest some commands?
I don't know
What immediate steps should I take to mitigate this vulnerability?
I don't know