CVE-2026-48131

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

En bref

Sévérité: HIGH 8.1
EPSS: EPSS 2.66 % · centile 86 (2026-10-28)
État: PUBLISHED
Publiée: 2026-05-26
Mise à jour: 2026-05-26
Attribuée par: checkpoint
Statut NVD: Awaiting Analysis

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).

Scores

Version	Score	Vecteur	Évalué par
CVSS 3.1	HIGH 8.1	CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H	checkpoint
CVSS 3.1	HIGH 8.1	CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H	NVD · cve@checkpoint.com (Secondary)

Faiblesses (CWE)

CWE-122

Références européennes

ENISA EUVD · EUVD-2026-31818
GCVE · GCVE-0-2026-48131

Avis du CERT-FR

CERTFR-2026-AVI-0650 — Multiples vulnérabilités dans les produits Check Point · cert.ssi.gouv.fr

Produits affectés

Produit	Versions
checkpoint · Quantum Security Gateway	affected R82.10 with Jumbo Hotfix Take 6 or below ; affected R82 with Jumbo Hotfix Take 91 or below ; affected R81.20 with Jumbo Hotfix Take 127 or below ; affected All releases from R81.10 and below

Références

https://support.checkpoint.com/results/sk/sk184981

Sources

Source	Licence
CVE List (CVEProject cvelistV5)	CVE Program Terms of Use
EPSS (FIRST.org)	FIRST — attribution requested
ENISA EUVD	ENISA — reproduction authorised, source acknowledged
CERT-FR (ANSSI)	Licence Ouverte / Etalab 2.0
NVD (NIST) via fkie-cad/nvd-json-data-feeds	Public domain — this product uses data from the NVD API but is not endorsed or certified by the NVD