🛡️ CVE-2026-31850 — nebula300plus-firmware

🟡 CVSS 4.9 — Medium ✅ No Known Exploit CWE-256 NVD
4.9
CVSS Score
0 Low4 Medium7 High9 Critical10

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.

How this vulnerability can be exploited

This issue can be reached over the network, attack complexity is low, an attacker needs administrative privileges on the target. No user interaction is required. The scope is unchanged, so the impact stays within the vulnerable component. Rated impact: confidentiality high, integrity none, availability none.

Affected software

CVE-2026-31850 is recorded against 1 package.

  • nebula300plus-firmware (fixed in 12.01.01.37)

Timeline and source

Published on 23 March 2026 and last revised on 17 June 2026. No public exploit is currently recorded for this entry. Record sourced from NVD.

References

nexxt-connectivity-frontend.s3.amazonaws.com
www.nexxtsolutions.com

Details

Severity MEDIUM
CVSS Score 4.9
CVSS Vector CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N
CWE CWE-256
Public Exploit ✅ No
Source NVD
Published 2026-03-23
Updated 2026-08-11
Modified 2026-06-17
Fix URL N/A

Affected Packages

Software From version Fixed in
nebula300plus-firmware — 12.01.01.37

Similar Threats

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