CVE-2026-31849

MEDIUM

Missing CSRF protection on state-changing endpoints in Nexxt Nebula 300+

Title source: cna
STIX 2.1

Description

Nexxt Solutions Nebula 300+ firmware through version 12.01.01.37 does not implement CSRF protections on state-changing endpoints such as /goform/setSysTools and other administrative interfaces. As a result, an attacker can craft malicious web requests that are executed in the context of an authenticated administrator’s browser, leading to unauthorized configuration changes, including enabling services or modifying system settings.

Scores

CVSS v3 6.5
EPSS 0.0002
EPSS Percentile 4.3%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N

CISA SSVC

Vulnrichment
Exploitation none
Automatable yes
Technical Impact partial

Details

CWE
CWE-352
Status published
Products (2)
Nexxt Solutions/Nebula 300+ <= 12.01.01.37
nexxtsolutions/nebula300plus_firmware < 12.01.01.37
Published Mar 23, 2026
Tracked Since Mar 23, 2026