CVE-2026-48131
VPND IKE Fragment Reassembly - Heap Out-of-Bounds Write via Sequence Number Zero
CVSS Score
8.1
EPSS Score
0.0%
EPSS Percentile
0th
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).
| CWE | CWE-122 |
| Vendor | checkpoint |
| Product | quantum security gateway |
| Published | May 26, 2026 |
| Last Updated | May 26, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H Attack Vector
Network
Attack Complexity
High
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High
Affected Versions
checkpoint / Quantum Security Gateway
R82.10 with Jumbo Hotfix Take 6 or below R82 with Jumbo Hotfix Take 91 or below R81.20 with Jumbo Hotfix Take 127 or below All releases from R81.10 and below