CVE-2026-31850: Nexxt Solutions Nebula 300+ firmware through version 12.01.01.37 stores sensitive information, including admin
CVE-2026-31850 is a medium-severity flaw (CVSS 4.9) affecting nebula300plus firmware. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
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.
Why this priority
- No elevated risk signals yet
A fixed release or distro patch exists.
Risk facts
| CVSS score | 4.9 (Medium) |
| Attack vector | Network (remote) |
| Attack complexity | Low |
| Privileges needed | High |
| User interaction | None |
| EPSS exploit chance | 0.2% (top 92%) |
| CISA exploited list | No |
| Weakness | CWE-256 |
| Published | 2026-03-23 |
| Last modified | 2026-06-17 |
Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score
Am I affected?
Timeline
- Published CVE record published
- Updated Record last modified
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.
Quick answers
How do I fix CVE-2026-31850?
nebula300plus firmware: upgrade to newer than 12.01.01.37. Exact commands for each OS are on this page.
Is CVE-2026-31850 being exploited?
CVE-2026-31850 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.
What does CVE-2026-31850 affect?
CVE-2026-31850 affects nebula300plus firmware. Severity is medium (CVSS 4.9). 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
How urgent is CVE-2026-31850?
Priority 19/100. No elevated risk signals yet.
Software pages
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