---
id: CVE-2026-102048
title: >-
  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 in…
summary: >-
  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 in…
severity: medium
cvss: 6.5
cvssVector: 'CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H'
cwe:
  - CWE-770
published: '2026-10-14'
updated: '2026-10-14'
sourceUpdated: '2026-10-14T17:17:59.397'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-102048'
references:
  - url: 'https://supportportal.juniper.net/JSA112188'
    label: sirt@juniper.net
tags:
  - nvd
ingestedAt: '2026-10-14T17:44:53.657Z'
---

## Overview

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.

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.