Nokia Infinera Mtc-9 Firmware vulnerabilities

5 CVEs affecting Nokia Infinera Mtc-9 Firmware, 0 known to be exploited (CISA KEV), with EPSS scores. Latest: CVE-2025-27020, published 2025-12-08.

Highest priority

Known exploited (CISA KEV) first, then by EPSS exploit probability.

CVE-2025-27020, published 2025-12-08. Critical severity, CVSS 9.8. EPSS: 0.5% chance of exploitation in the next 30 days. Improper configuration of the SSH service in Infinera MTC-9 allows an unauthenticated attacker to execute arbitrary commands and access data on file system . This issue affects MTC-9: from…
CVE-2025-27019, published 2025-12-08. Critical severity, CVSS 9.8. EPSS: 0.4% chance of exploitation in the next 30 days. 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…
CVE-2025-26488, published 2025-12-08. High severity, CVSS 7.5. EPSS: 0.4% chance of exploitation in the next 30 days. Improper Input Validation vulnerability in Infinera MTC-9 allows remote unauthenticated users to crash the service and cause a reboot of the appliance, thus causing a DoS condition, via crafted XML…
CVE-2025-26487, published 2025-12-08. High severity, CVSS 8.6. EPSS: 0.3% chance of exploitation in the next 30 days. 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…
CVE-2025-26489, published 2025-12-08. Medium severity, CVSS 6.5. EPSS: 0.3% chance of exploitation in the next 30 days. 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…