CVE-2025-26489: Improper input validation in Netconf service in Infinera MTC-9

Published Dec 8, 2025
·
Updated

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 Software

3 affected components
Infinera MTC-9>=R22.1.1.0275<R23.0
All of the following
Nokia Infinera Mtc-9 Firmware>=22.1.1.0275<23.0
Nokia Infinera Mtc-9

Event History

Dec 8, 2025
CVE Published
via MITRE·08:56 AM
Data Sourced
via MITRE·08:56 AM
DescriptionSeverityWeakness
Data Sourced
via NVD·09:15 AM
DescriptionSeverityWeaknessAffected Software
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Frequently Asked Questions

1

What is the severity of CVE-2025-26489?

CVE-2025-26489 is rated as a high-severity vulnerability due to its potential to cause denial-of-service conditions.

2

Who is affected by CVE-2025-26489?

CVE-2025-26489 affects remote authenticated users of Infinera MTC-9 running versions from R22.1.1.0275 before R23.0.

3

How do I fix CVE-2025-26489?

To remediate CVE-2025-26489, upgrade Infinera MTC-9 to version R23.0 or later.

4

What is the impact of CVE-2025-26489?

CVE-2025-26489 can allow authenticated users to crash the service and reboot the appliance, leading to a denial of service.

5

Is a patch available for CVE-2025-26489?

Yes, a patch is available by upgrading to Infinera MTC-9 version R23.0 or later to mitigate CVE-2025-26489.

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CVE-2025-26489 - Improper input validation in Netconf service in Infinera MTC-9 - SecAlerts