Is CVE-2026-10831 actively exploited?

No active exploitation of CVE-2026-10831 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2026-10831 be exploited remotely?

Yes. CVE-2026-10831 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2026-10831?

CVE-2026-10831 has a CVSS score of 6.9 (MEDIUM).

HOME VULNERABILITIESCVE-2026-10831

MEDIUM

CVE-2026-10831

CWE-862Published: June 16, 2026· Updated: Jun 17, 2026

6.9

CVSS v3.1

EPSS:0.29%probability of exploitation in 30 daysPercentile:20.6th

Official Description

A denial-of-service vulnerability exists in NPort devices because of improper access control on the command port. The command interface does not properly validate whether a sender is associated with a valid data port session before accepting break signal commands. A remote attacker with network access can send crafted requests to disrupt serial communication for an active user session.

NVD Source

Technical Analysis

CVE-2026-10831 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

CVSS v3.1 Vector Breakdown

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges Req.None

User InteractionNone

ScopeX

Impact

Confidentiality

Integrity

Availability

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:L/SC:N/SI:N/SA:L/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