High severity8.1NVD Advisory· Published May 26, 2026· Updated May 26, 2026
CVE-2026-48131
CVE-2026-48131
Description
The VPN service may mishandle an unexpected IKE fragment value received on the IKE port 500/UDP during the early stage of a connection attempt. This can cause the service to terminate unexpectedly, resulting in denial of service (temporary disruption of VPN-related functionality).
Patches
Vulnerability mechanics
References
1News mentions
1- 1st June – Threat Intelligence ReportCheck Point Research · Jun 1, 2026