CVE-2025-27019
9.8 · CRITICALOverview
CVE-2025-27019 is a critical-severity vulnerability affecting nokia infinera_mtc-9_firmware. It was published on December 8, 2025 and has a CVSS 3.1 base score of 9.8 (CRITICAL).
This vulnerability has a CVSS 3.1 base score of 9.8, rated CRITICAL. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.
Technical Description
Remote shell service (RSH) in Infinera MTC-9 version R22.1.1.0275 allows
an attacker to utilize password-less user accounts and obtain
system access by activating a reverse shell.This issue affects MTC-9: from R22.1.1.0275 before R23.0.
Remediation
Check the references section for vendor advisories and patches from nokia. Update infinera_mtc-9_firmware to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
Affected Products
| Vendor | Product | Versions | Status |
|---|---|---|---|
| nokia | infinera_mtc-9_firmware | >= 22.1.1.0275, < 23.0 | Affected |
References
Frequently Asked Questions
What is CVE-2025-27019?
CVE-2025-27019 is a critical-severity vulnerability affecting nokia infinera_mtc-9_firmware. It was published on December 8, 2025 and has a CVSS 3.1 base score of 9.8 (CRITICAL).
How severe is CVE-2025-27019?
This vulnerability has a CVSS 3.1 base score of 9.8, rated CRITICAL. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.
How do I fix or remediate CVE-2025-27019?
Check the references section for vendor advisories and patches from nokia. Update infinera_mtc-9_firmware to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
How can CyberStrike help with CVE-2025-27019?
CyberStrike's AI-powered security agents can automatically detect CVE-2025-27019 across your infrastructure using autonomous pentesting, DAST scanning, and HackBrowser. The platform continuously monitors for known vulnerabilities and provides actionable remediation guidance prioritized by real-world exploitability.
How CyberStrike Helps
AI agents map your attack surface to find vulnerabilities like this one.
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