---
id: CVE-2026-102023
title: >-
  A Reachable Assertion vulnerability in fwstatsd of Juniper Networks Junos OS
  Evolved allows an authenticated network attacker to cause a denial of service
  via an SNMP firewall-counter MIB query when at least one firewall counter is
  confi…
summary: >-
  A Reachable Assertion vulnerability in fwstatsd of Juniper Networks Junos OS
  Evolved allows an authenticated network attacker to cause a denial of service
  via an SNMP firewall-counter MIB query when at least one firewall counter is
  confi…
severity: high
cvss: 7.5
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H'
cwe:
  - CWE-617
published: '2026-10-14'
updated: '2026-10-14'
sourceUpdated: '2026-10-14T17:17:55.320'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-102023'
references:
  - url: 'https://supportportal.juniper.net/JSA112250'
    label: sirt@juniper.net
tags:
  - nvd
ingestedAt: '2026-10-14T17:44:53.650Z'
---

## Overview

A Reachable Assertion vulnerability in fwstatsd of Juniper Networks Junos OS Evolved allows an authenticated network attacker to cause a denial of service via an SNMP firewall-counter MIB query when at least one firewall counter is configured.

## Remediation

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