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.
History

Sat, 17 Oct 2026 00:45:00 +0000

Type Values Removed Values Added
First Time appeared Juniper Networks
Juniper Networks junos Os
Vendors & Products Juniper Networks
Juniper Networks junos Os

Wed, 14 Oct 2026 17:00:00 +0000

Type Values Removed Values Added
Description 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.
Title Junos OS: An attacker causes l2cpd crash when FNP is used with VLAN-VPLS encapsulation enabled
Weaknesses CWE-770
References
Metrics cvssV3_1

{'score': 6.5, 'vector': 'CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H'}

cvssV4_0

{'score': 7.1, 'vector': 'CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:L/AU:Y/R:A/V:C/RE:M'}


cve-icon MITRE

Status: PUBLISHED

Assigner: juniper

Published: 2026-10-14T16:53:12.252Z

Updated: 2026-10-14T20:26:09.423Z

Reserved: 2026-09-28T17:35:40.522Z

Link: CVE-2026-102048

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Awaiting Analysis

Published: 2026-10-14T17:17:59.397

Modified: 2026-10-15T16:23:06.250

Link: CVE-2026-102048

cve-icon Redhat

No data.