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CVE-2026-31850

4.9 · MEDIUM

Nexxt Solutions Nebula 300+ firmware through version 12.01.01.37 stores sensitive information, including administrative credentials and WiFi pre-shared keys, in plaintext within exported configurat…

Published Mar 23, 2026nexxtsolutionsCWE-256EPSS 0.19%

Overview

CVE-2026-31850 is a medium-severity vulnerability affecting nexxtsolutions nebula300plus_firmware. It was published on March 23, 2026 and has a CVSS 3.1 base score of 4.9 (MEDIUM).

This vulnerability has a CVSS 3.1 base score of 4.9, rated MEDIUM. It can be exploited remotely over the network. Some level of privileges is required for exploitation.

Technical description

Nexxt Solutions Nebula 300+ firmware through version 12.01.01.37 stores sensitive information, including administrative credentials and WiFi pre-shared keys, in plaintext within exported configuration backup files. These backup files can be obtained through legitimate functionality or other weaknesses and do not apply encryption or hashing, allowing attackers to directly extract sensitive information.

Remediation

Check the references section for vendor advisories and patches from nexxtsolutions. Update nebula300plus_firmware to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

Affected products

VendorProductVersionsStatus
nexxtsolutionsnebula300plus_firmware0Affected

References

Refnexxt-connectivity-frontend.s3.amazonaws.com/media/docs/Nebula300+_v12.01.01.37.zipRefwww.nexxtsolutions.com/connectivity/internal-products/ARN02304U6/

How CyberStrike helps

Frequently asked questions

What is CVE-2026-31850?

CVE-2026-31850 is a medium-severity vulnerability affecting nexxtsolutions nebula300plus_firmware. It was published on March 23, 2026 and has a CVSS 3.1 base score of 4.9 (MEDIUM).

How severe is CVE-2026-31850?

This vulnerability has a CVSS 3.1 base score of 4.9, rated MEDIUM. It can be exploited remotely over the network. Some level of privileges is required for exploitation.

How do I fix or remediate CVE-2026-31850?

Check the references section for vendor advisories and patches from nexxtsolutions. Update nebula300plus_firmware to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2026-31850?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2026-31850 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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