---
id: CVE-2025-26489
title: >-
  Improper input validation in the Netconf service in Infinera MTC-9 allows
  remote authenticated users to crash the service and 

  reboot the appliance, thus causing a DoS condition, via crafted XML 

  payloads.This issue affects MTC-9: from R…
summary: >-
  Improper input validation in the Netconf service in Infinera MTC-9 allows
  remote authenticated users to crash the service and 

  reboot the appliance, thus causing a DoS condition, via crafted XML 

  payloads.This issue affects MTC-9: from R…
severity: medium
cvss: 6.5
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H'
cwe:
  - CWE-20
vendor: nokia
product: infinera_mtc-9_firmware
affected:
  - 'infinera_mtc-9_firmware >= 22.1.1.0275, < 23.0'
patched:
  - infinera_mtc-9_firmware 23.0
published: '2025-12-08'
updated: '2026-10-07'
sourceUpdated: '2026-10-07T20:10:01.970'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2025-26489'
references:
  - url: 'https://www.cve.org/CVERecord?id=CVE-2025-26489'
    label: a6d3dc9e-0591-4a13-bce7-0f5b31ff6158
tags:
  - nvd
epss: 0.00332
epssPercentile: 0.24313
ingestedAt: '2026-10-07T20:46:46.755Z'
---

## Overview

Improper input validation in the Netconf service in Infinera MTC-9 allows remote authenticated users to crash the service and 
reboot the appliance, thus causing a DoS condition, via crafted XML 
payloads.This issue affects MTC-9: from R22.1.1.0275 before R23.0.

## Affected

- `infinera_mtc-9_firmware >= 22.1.1.0275, < 23.0`

## Remediation

Upgrade past the affected range:

- `infinera_mtc-9_firmware 23.0`