MajorCritical vulnerability
CVE-2026-103994 (CVSS 8.7)
NVD · officialPublished Oct 14, 2026Risk 37/100
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.
Technical details
CVSS
8.7
AV:AdjacentAC:LowPR:NoneUI:None
Evidence and sources
This record is attributed to NVD. Exploitation status and remediation guidance are kept separate from the vulnerability's technical severity.
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