What is CVE-2026-31850?

CVE-2026-31850 is a medium-severity vulnerability in Nexxt Solutions Nebula 300+, classified under Plaintext Storage of a Password. CVSS score: 4.9/10. Published 2026-03-23.

How severe is CVE-2026-31850?

Medium severity. CVSS v3 base score is 4.9 out of 10.

Vulnerability in Nexxt Solutions Nebula 300+

CVE-2026-31850

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 b…

EPSS: 0.000 (7.2th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 4.9 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N.

Affected products

Nexxt Solutions Nebula 300+ — versions <= 12.01.01.37
Nexxtsolutions Nebula300plus
Nexxtsolutions Nebula300plus_firmware

Weakness classification (CWE)

CWE-256 — Plaintext Storage of a Password

References

309f9ea4-e3e9-4c6c-b79d-e8eb01244f2c (Product)
309f9ea4-e3e9-4c6c-b79d-e8eb01244f2c (Product)

Frequently asked questions

What is CVE-2026-31850?: CVE-2026-31850 is a medium-severity vulnerability in Nexxt Solutions Nebula 300+, classified under Plaintext Storage of a Password. CVSS score: 4.9/10. Published 2026-03-23.
How severe is CVE-2026-31850?: Medium severity. CVSS v3 base score is 4.9 out of 10.