8.1
High
CVE-2026-48132 The Security Gateway does not correctly validate a length value in certain IKE packets when NAT-T is used (4500/UDP)
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).
Affected products and versions
| Product | Affected versions | Fixed in |
|---|---|---|
| Quantum Security Gateway | Versions not published |
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The 10 CVEs of Quantum Security Gateway →
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7.5
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