Medium severity · published Dec 8, 2025
CVE-2025-26489
Improper input validation in Netconf service in Infinera MTC-9
6.5
CVSS
0.3%
EPSS
No
On KEV
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 vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.3% · higher than 26% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
MT
MTC-9 · Infinera
R22.1.1.0275 before R23.0 · source: vendor
IM
Infinera Mtc-9 Firmware · Nokia
22.1.1.0275 before 23.0 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2025-26489
CVE.org
https://www.cve.org/CVERecord?id=CVE-2025-26489
Third Party Advisory
https://www.cve.org/CVERecord?id=CVE-2025-26489
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Improper input validation in XML Management service in Infinera MTC-9