What’s Vulnerable › Vulnerabilities
CVE-2026-48131: VPND IKE Fragment Reassembly - Heap Out-of-Bounds Write via Sequence Number Zero
- Severity: high (CVSS 8.1 v3.1)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 2.7% probability of exploitation in the next 30 days
- Public exploit or detection template: none known
- Published: 2026-05-26 · updated 2026-07-24
- Weakness: CWE-122
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).
Affected products
- Check Point Quantum Security Gateway: through R82.10 with Jumbo Hotfix Take 6; through R82 with Jumbo Hotfix Take 91; through R81.20 with Jumbo Hotfix Take 127; through All releases from R81.10
References
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