Ghostwire

CVE-2026-48132: The Security Gateway does not correctly validate a length value in certain IKE packets when NAT-T is used (4500/UDP). As...

HIGH CVSS 7.5

Published: May 26, 2026 | Last Modified: May 26, 2026

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).

Ghostwire Analysis — What This Means Practically

This analysis is generated by Ghostwire from NVD, CISA KEV, EPSS, and open-source intelligence data. Verify findings through primary sources before acting.

Security Coverage (2 articles)

References