HarborGuard / CVE
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HIGHCVE-2026-48131Published Modified CNA checkpoint

CVE-2026-48131: VPND IKE Fragment Reassembly - Heap Out-of-Bounds Write via Sequence Number Zero

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).

Metrics

CVSS v3.1
8.1
Severity
HIGH
Fixed in
Affected Products
1
Affected packages
  • 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
CVSS Vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H