CVE-2026-31850 PUBLISHED

Plaintext storage of credentials in configuration backup in Nexxt Nebula 300+

Assigner: TuranSec
Reserved: 09.03.2026 Published: 23.03.2026 Updated: 23.03.2026

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.

Metrics

CVSS 4.0

CVSS Vector: CVSS:4.0/AV:A/AC:L/AT:N/PR:H/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N
CVSS Score: 6.8

Exploitability Metrics		Vulnerable System Impact Metrics		Subsequent System Impact Metrics
Attack Vector	Adjacent	Confidentiality	High	Confidentiality	None
Attack Complexity	Low	Integrity	None	Integrity	None
Attack Requirements	None	Availability	None	Availability	None
Privileges Required	High
User Interaction	None

CVSS 4.0

Product Status

Vendor	Nexxt Solutions
Product	Nebula 300+
Versions	Default: unaffected Version <= 12.01.01.37 is affected

Credits

Angel Barre (call4pwn) finder

References

Problem Types

CWE-256 Plaintext Storage of a Password CWE

Impacts

An attacker who obtains a configuration backup file can extract administrative credentials and WiFi pre-shared keys in plaintext.