Resource exhaustion in Juniper Networks Junos OS

CVE-2026-102048

An Allocation of Resources Without Limits or Throttling vulnerability in the l2cpd process of Juniper Networks Junos OS allows an adjacent unauthenticated attacker to cause a denial of service and l2cpd restart via FNP-enabled Layer 2 interfaces. The issue is triggered when the FNP feature is enabled on a VPLS routing instance with VLAN-VPLS encapsulation enabled. This issue affects all platforms except the PTX Series and SRX Series.

Published · last modified .

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

EPSS exploit prediction

No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-102048?
CVE-2026-102048 is a medium-severity vulnerability in Juniper Networks Junos OS, classified under Allocation of Resources Without Limits or Throttling. CVSS score: 6.5/10. Published 2026-10-14.
How severe is CVE-2026-102048?
Medium severity. CVSS v3 base score is 6.5 out of 10.