Is CVE-2019-18826 actively exploited?

No active exploitation of CVE-2019-18826 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2019-18826 be exploited remotely?

Yes. CVE-2019-18826 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2019-18826?

CVE-2019-18826 has a CVSS score of 9.8 (CRITICAL).

HOME VULNERABILITIESCVE-2019-18826

CRITICAL

CVE-2019-18826

CWE-295Published: December 16, 2019· Updated: Jun 17, 2026

9.8

CVSS v3.1

Official Description

Barco ClickShare Button R9861500D01 devices before 1.9.0 have Improper Following of a Certificate's Chain of Trust. The embedded 'dongle_bridge' program used to expose the functionalities of the ClickShare Button to a USB host, does not properly validate the whole certificate chain.

NVD Source

Technical Analysis

CVE-2019-18826 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.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 9.8.

CVSS v3.1 Vector Breakdown

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges Req.None

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected Vendors & Products

barco8 product(s)

clickshare cs-100 firmwareclickshare cs-100clickshare cse-200 firmwareclickshare cse-200clickshare cse-200\+ firmwareclickshare cse-200\+clickshare cse-800 firmwareclickshare cse-800

Source: NVD CPE · 8 total CPE entries