CVE-2026-48131

VPND IKE Fragment Reassembly - Heap Out-of-Bounds Write via Sequence Number Zero

Published May 26, 2026 CVSS 3.1 · 8.1 High EPSS 2.7% KEV · Not listed
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).

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
First Time appeared Checkpoint
Checkpoint quantum Security Gateway
Vendors & Products Checkpoint
Checkpoint quantum Security Gateway
Type Values Removed Values Added
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).
Title VPND IKE Fragment Reassembly - Heap Out-of-Bounds Write via Sequence Number Zero
Weaknesses CWE-122
References
Metrics cvssV3_1

{'score': 8.1, 'vector': 'CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
checkpoint
Published
Updated
May 26, 2026, 3:18 PM
Reserved
May 20, 2026, 7:29 PM
Status
Awaiting Analysis
Published
May 26, 2026, 2:16 PM
Modified
Jul 24, 2026, 11:10 AM