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Security Alerts

Our experts keep you up-to-date on critical cyber threats (CVEs)

Cyber threats evolve at lightning speed. On this page, our experts inform you about critical vulnerabilities (CVEs) and important security notifications, so that - if you do not have a Managed contract with us - you can act proactively and optimally protect your IT environment.

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Fortinet Threats | VanRoey.be

Fortinet FortiSandbox CVE-2026-39813

Critical vulnerabilities in FortiSandbox (CVE-2026-39813 and CVE-2026-39808) allow unauthenticated access. Systems running versions 4.4.0–4.4.8 and 5.0.0–5.0.5 are vulnerable. An upgrade to FortiSandbox 4.4.9 or 5.0.6 (or later) is necessary to prevent exploitation.
Fortinet NSE Expert 2020 | VanRoey.be

FortiClient EMS – update required

We are informing you about a critical vulnerability in FortiClient EMS (CVSS 9.1) for which an essential update is required. This vulnerability could impact environments where FortiClient EMS is currently in use.
Fortinet NSE Expert 2020 | VanRoey.be

FortiClient – update required

We would like to inform you of a necessary update regarding FortiClient and FortiClient EMS that may impact environments where these solutions are currently being used.
Alerts XDR malware viruses

HPE Aruba CX switches

Critical vulnerability (CVSS 9.8) in Aruba AOS-CX switches. Find out which versions are affected and what update is needed to secure your network.
Alerts XDR malware viruses

FortiSandbox CVE-2025-52436

FortiSandbox has a security issue in older versions. Update to 5.0.2+ or 4.4.8+. For PaaS, the fix is there in 4.4.8 and 5.0.5.
Cybersecurity Patch Updates | VanRoey.be

Administrative FortiCloud SSO authentication bypass - CVE-2026-24858

A flaw in FortiCloud SSO allows an attacker to log into other people's devices with their own FortiCloud account, resulting in full admin access.
Cybersecurity Patch Updates | VanRoey.be

Fortinet Vulnerabilities 12/2025

Fortinet has confirmed a critical vulnerability within FortiProxy and FortiSwitch Manager, potentially impacting multiple Fortinet products. This vulnerability could allow attackers to gain unauthorised access to vulnerable systems.

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