What is CVE-2025-26489?

CVE-2025-26489 is a medium-severity vulnerability in Infinera Mtc-9, classified under Improper Input Validation. CVSS score: 6.5/10. Published 2025-12-08.

How severe is CVE-2025-26489?

Medium severity. CVSS v3 base score is 6.5 out of 10.

Improper input validation in Infinera Mtc-9

CVE-2025-26489

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…

Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)

EPSS: 0.003 (19.7th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.

Affected products

Infinera Mtc-9 — versions R22.1.1.0275
Nokia Infinera_mtc-9
Nokia Infinera_mtc-9_firmware

Weakness classification (CWE)

CWE-20 — Improper Input Validation

References

a6d3dc9e-0591-4a13-bce7-0f5b31ff6158 (Third Party Advisory)

Frequently asked questions

What is CVE-2025-26489?: CVE-2025-26489 is a medium-severity vulnerability in Infinera Mtc-9, classified under Improper Input Validation. CVSS score: 6.5/10. Published 2025-12-08.
How severe is CVE-2025-26489?: Medium severity. CVSS v3 base score is 6.5 out of 10.