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CVE-2025-26489

6.5 · MEDIUM

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 p…

Published Dec 8, 2025CWE-20EPSS 0.33%

Overview

CVE-2025-26489 is a medium-severity vulnerability. It was published on December 8, 2025 and has a CVSS 3.1 base score of 6.5 (MEDIUM).

This vulnerability has a CVSS 3.1 base score of 6.5, rated MEDIUM. It can be exploited remotely over the network. Some level of privileges is required for exploitation.

Technical description

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.

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

Refwww.cve.org/CVERecord?id=CVE-2025-26489

How CyberStrike helps

Frequently asked questions

What is CVE-2025-26489?

CVE-2025-26489 is a medium-severity vulnerability. It was published on December 8, 2025 and has a CVSS 3.1 base score of 6.5 (MEDIUM).

How severe is CVE-2025-26489?

This vulnerability has a CVSS 3.1 base score of 6.5, rated MEDIUM. It can be exploited remotely over the network. Some level of privileges is required for exploitation.

How do I fix or remediate CVE-2025-26489?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2025-26489?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2025-26489 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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