CVE-2026-48132

High

Description

The Security Gateway does not correctly validate a length value in certain IKE packets when NAT-T is used (4500/UDP). As a result, a specially crafted or malformed packet can cause the VPN processing service to terminate unexpectedly, leading to denial of service (temporary interruption of VPN negotiations/traffic).

SeverityHigh
CVSS8.1
Exploit probability—
ProductQuantum Security Gateway
PublishedMay 26, 2026
First seenMay 26, 2026

How to fix

Sources list no fixed version or patch link for this vulnerability.

Affected products

ProductAffected versionsFixed in
checkpoint Quantum Security GatewayR82.10 with Jumbo Hotfix Take 6 or below, R82 with Jumbo Hotfix Take 91 or below, R81.20 with Jumbo Hotfix Take 127 or below, All releases from R81.10 and below—

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