High severity8.1NVD Advisory· Published May 26, 2026· Updated May 26, 2026
CVE-2026-48132
CVE-2026-48132
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).
Patches
Vulnerability mechanics
References
1News mentions
1- 1st June – Threat Intelligence ReportCheck Point Research · Jun 1, 2026