Vulnerability Intelligence Report
VPN service may restart unexpectedly when processing IKE traffic over NAT-T 4500/UDP
CVE-2026-48132
The Security Gateway does not correctly validate a length value in certain IKE packets when NAT-T is used (4500/UDP). As a result, a specially crafted or malformed packet can cause the VPN processing service to terminate unexpectedly, leading to denial of service (temporary interruption of VPN negotiations/traffic).
No Active Exploit Signals
CVSS Base Score
8.1
HIGH
Exploitability:2.3
Impact Score:5.9
EPSS Probability:2.14%
Executive Threat Verdict
Evaluating...
Evaluating Threat Landscape...
Assessing known weaponization, exploitation telemetry, and federal advisories.
Attack Surface
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Authentication
—
Weaponization
—
SSVC Action
—
Weaknesses (CWE)
CWE-125 ↗CWE-125: Out-of-bounds Read
Affected Products & Versions
| Vendor | Product | Affected Versions |
|---|---|---|
| checkpoint | Quantum Security Gateway | 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 (affected) |
References & Technical Advisories
No reference links found.
Threat Intelligence Signals
EPSS Score
2.139%
GitHub Advisory
Identity & Timeline
| Status | PUBLISHED |
| Assigning Authority | Check Point Software Ltd. · Vendor · Israel |
| Reserved | 2026-05-20T19:29:00 |
| Published | 2026-05-26T12:56:47 |
| Last Updated | 2026-06-02T14:09:19 |
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