Is CVE-2026-31849 actively exploited?

No active exploitation of CVE-2026-31849 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2026-31849 be exploited remotely?

Yes. CVE-2026-31849 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2026-31849?

CVE-2026-31849 has a CVSS score of 7.2 (HIGH).

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HIGH

CVE-2026-31849

CWE-352Published: March 23, 2026· Updated: Mar 26, 2026

7.2

CVSS v3.1

EPSS:0.09%probability of exploitation in 30 daysPercentile:26.0th

Official 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.

NVD Source

Technical Analysis

CVE-2026-31849 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

Exploitation does not require any privileges, though user interaction (P) is needed, which slightly reduces the risk of mass automated attacks.

CVSS v3.1 Vector Breakdown

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges Req.None

User InteractionP

ScopeX

Impact

Confidentiality

Integrity

Availability

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X