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CVE-2025-26489

Improper input validation in Netconf service in Infinera MTC-9

MEDIUM
6.5
CVSS Score
Published: December 8, 2025 at 08:56 AM UTC
Updated: October 7, 2026 at 08:10 PM UTC
2 products affected across 2 vendorsInfinera Mtc 9 FirmwareMTC-9

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Severity
MEDIUM6.5
Exploit prediction
EPSS 0.3%
SSVC
No known exploit

Description

Improper Input Validation vulnerability 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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Infinera Mtc 9 Firmware· Nokia
95%
22.1.1.0275 ≤ v < 23.0
nokia-infinera-mtc-9 (same device)
MTC-9· Infinera
60%
R22.1.1.0275 ≤ v < R23.0R22.1.1.0275
Affected range stops below R23.0, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (1)

Third Party Advisory
Source: cverecord
https://www.cve.org/CVERecord?id=CVE-2025-26489

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

6.5MEDIUMENISA
Attack Vector
NETWORK
Complexity
LOW
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH
Vector?

Quick Info

StatusANALYZED
CWE
CWE-20

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