Cyber Resilience

CVE-2025-26487

High

Published: 08 December 2025

Published
08 December 2025
Modified
22 December 2025
KEV Added
Patch
CVSS Score v3.1 8.6 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N
EPSS Score 0.0004 13.8th percentile
Risk Priority 17 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2025-26487 is a high-severity SSRF (CWE-918) vulnerability in Nokia Infinera Mtc-9 Firmware. Its CVSS base score is 8.6 (High).

Operationally, ranked at the 13.8th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog.

EU & UK References

Vulnerability details

Server-Side Request Forgery (SSRF) vulnerability in Infinera MTC-9 version allows remote unauthenticated users to gain access to other network resources using HTTPS requests through the appliance used as a bridge.

CWE(s)

Related Threats

No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.

Affected Assets

nokia
infinera mtc-9 firmware
22.1.1.0275 — 23.0

Mitigating Controls

Likely Mitigating Controls AI

Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.

addresses: CWE-918

Penetration testing attempts server-side requests to internal resources, identifying SSRF weaknesses for remediation.

addresses: CWE-918

Outbound connections to external resources can be monitored and limited at the boundary, reducing SSRF impact.

addresses: CWE-918

Validates server-side URLs and resource references to block SSRF attempts.

addresses: CWE-918

Detects server-side request forgery through monitoring of unexpected outbound connections.

References