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Critical VPN Security Flaw in Check Point Devices Needs Immediate Attention

A serious security weakness has been found in Check Point Quantum Security Gateway VPN devices that could let attackers take control remotely. This matters because many small businesses use VPNs to protect their networks, and this flaw could let criminals bypass those protections.

13 September 2026

Reference: CVE-2026-85102

1. What is being reported?

The report describes a critical vulnerability in Check Point Quantum Security Gateway VPNs where the device does not properly check security certificates during connection setup. This flaw could allow an attacker who is not authorised to run harmful software on the VPN device itself.

2. What this means in plain English

If your organisation uses a Check Point VPN, this flaw could let attackers break into your network by exploiting the VPN device. This could lead to loss of control over your network security and potentially expose sensitive information.

3. Could this affect a small business?

Small businesses using Check Point Quantum Security Gateway VPNs are at risk. Organisations not using this specific VPN device or using other VPN solutions are unlikely to be affected.

4. What to do now

  • Check if your organisation uses Check Point Quantum Security Gateway VPN devices.
  • Contact your IT provider or Check Point support to confirm if your device is affected.
  • Apply any security updates or patches provided by Check Point immediately.
  • Monitor your VPN devices for unusual activity and review access logs.

5. Ask your IT provider

Can you confirm if our Check Point Quantum Security Gateway VPN devices are affected by CVE-2026-85102, and have the necessary security patches been applied?

6. Bottom line

If you use Check Point VPN devices, act quickly to update them and protect your network from this critical vulnerability.

Information based on CISA KEV, NVD, and reputable security news reports.

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