CVE-2025-26489: Improper input validation in the Netconf service in Infinera MTC-9 allows remote authenticated users to crash the…
CVE-2025-26489 · Severity: medium · CVSS 6.5 · Published 2025-12-08
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.
No. Junglewise Threat Intelligence has no report of CVE-2025-26489 being exploited in the wild.
How severe is CVE-2025-26489?
Medium severity, with a CVSS score of 6.5, published 8 December 2025.
Which products and versions are affected?
Nokia Infinera Mtc-9, Nokia Infinera Mtc-9 Firmware. The advisory does not name versions.
Is there a fix for CVE-2025-26489?
No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.
Am I affected by CVE-2025-26489?
Check whether you run Nokia Infinera Mtc-9 or Nokia Infinera Mtc-9 Firmware. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.