Improper Input Validation in Infinera MTC-9 Affects Service Stability
CVE-2025-26488

7.5HIGH

Key Information:

Vendor

Infinera

Status
Mtc-9
Vendor
CVE Published:
8 December 2025

What is CVE-2025-26488?

The Infinera MTC-9 product suffers from an improper input validation flaw that enables remote unauthenticated attackers to exploit crafted XML payloads. This vulnerability can lead to a denial of service (DoS) condition by crashing the service and triggering a reboot of the appliance. Such instability can significantly affect the operational efficiency and reliability of the impacted systems. It is crucial for users operating MTC-9 versions below R23.0 to implement appropriate mitigations to safeguard their services.

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Affected Version(s)

MTC-9 R22.1.1.0275

References

https://www.cvcn.gov.it/cvcn/cve/CVE-2025-26488

CVSS V3.1

Score:
7.5
Severity:
HIGH
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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