CVE-2026-103994
HIGH
CVSS 8.8
Published: 2026-10-14
Modified: 2026-10-15
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Threat Intelligence Pending
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Description
A Heap-based Buffer Overflow vulnerability in the VXLAN Gateway Daemon (vgd) of Juniper Networks Junos OS allows a malicious or compromised SDN-controller to cause a complete outage of the OVSDB control plane and possibly remote code execution.
Quick Facts
| CVE ID | CVE-2026-103994 |
| CVSS Score | 8.8 |
| Vector | CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| Published | 2026-10-14 |
| Exploited | No |
| CISA KEV | No |
| PoC | Not public |