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CVE-2025-26489— Improper input validation in Netconf service in Infinera MTC-9

Quick assessment

Affected
Infinera MTC-9
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Infinera MTC-9是美国Infinera公司的一个模块化控制器。 Infinera MTC-9 R22.1.1.0275版本至R23.0之前版本存在安全漏洞，该漏洞源于Netconf服务输入验证不当，可能导致拒绝服务攻击。

CVSS 6.5 · Medium EPSS 0.33% · P26
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I. Basic Information for CVE-2025-26489

Vulnerability Information
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Vulnerability Title
Improper input validation in Netconf service in Infinera MTC-9
Source: CVE Program / CVE List V5
Vulnerability 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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
输入验证不恰当
Source: CVE Program / CVE List V5
Vulnerability Title
Infinera MTC-9 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Infinera MTC-9是美国Infinera公司的一个模块化控制器。 Infinera MTC-9 R22.1.1.0275版本至R23.0之前版本存在安全漏洞，该漏洞源于Netconf服务输入验证不当，可能导致拒绝服务攻击。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
Infinera MTC-9 R22.1.1.0275 ~ R23.0 -

II. Public POCs for CVE-2025-26489

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III. Intelligence Information for CVE-2025-26489

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Vendor Advisories for CVE-2025-26489 (1)

Same Patch Batch · Infinera · 2025-12-08 · 5 CVEs total

CVE-2025-27019 9.8 CRITICAL Remote shell service (RSH) in Infinera MTC-9
CVE-2025-27020 9.8 CRITICAL Improper configuration of SSH service in Infinera MTC-9
CVE-2025-26487 8.6 HIGH Server Side Request Forgery (SSRF) in the web server of Infinera MTC-9
CVE-2025-26488 7.5 HIGH Improper input validation in XML Management service in Infinera MTC-9

IV. Related Vulnerabilities

Same product: MTC-9
Same vendor: Infinera
Same weakness: CWE-20