6.5

CVE-2025-26489: infinera mtc-9 Improper Input Validation

CVSS: 6.5v3.1MediumAnalyzed
Published 08-12-2025Last modified 08-12-2025

Vulnerability summary

CVE-2025-26489 is a medium (CVSS 6.5) Improper Input Validation vulnerability in infinera mtc-9. EPSS estimates a 0.33% chance of exploitation in the next 30 days, higher than 24.9% of scored vulnerabilities.

Overall risk
26/100
0100
Medium · default modelHow is this calculated?
CVSS score
6.5/10
010
Medium · v3.1 (CVE.org)
EPSS score
0.33%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 08-12-2025
    PublishedVulnerability first disclosed.
  2. 08-12-2025
    Last modifiedVulnerability information updated.

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.

CVSS metrics

2 scores · 2 sources · 1 version

EPSS trend

Probability

0.33%

Chance of exploitation in the next 30 days

Percentile

25%

Versus all other CVEs

30-day change

0.00 pp

From 0.33% on 19-09-2026

19-09-202619-10-2026
EPSS score
0.33%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Infinera1 product
  • mtc-9≥ R22.1.1.0275, < R23.0
Nokia1 product

2 vendors · 2 products

References

1 links