CVE-2025-27019
CriticalCVSS 9.8Exploitation Probability (EPSS)
Low risk35th percentile - higher than 35% of all known CVEs
Summary
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.
Risk Assessment
An attacker can gain full system access without authentication, potentially leading to device takeover and data integrity compromise.
Recommendation
Update Infinera MTC-9 to version R23.0 or later. Disable or secure the RSH service if not essential.
Other vulnerabilities in Infinera MTC-9
See all- CVE-2025-27020Critical
Improper configuration of the SSH service in Infinera MTC-9 allows an unauthenticated attacker to execute arbitrary commands and access data on the file system. This issue affects MTC-9 from R22.1.1.0275 before R23.0.
- CVE-2025-26489Medium
Improper input validation in the Netconf service in Infinera MTC-9 allows remote authenticated users to crash the service and reboot the appliance via crafted XML payloads, causing a DoS condition. This issue affects MTC-9 from R22.1.1.0275 before R23.0.
- CVE-2025-26488High
Improper Input Validation vulnerability in Infinera MTC-9 allows remote unauthenticated users to crash the service and cause a reboot of the appliance via crafted XML payloads, resulting in a DoS condition. This issue affects MTC-9 from R22.1.1.0275 before R23.0.
- CVE-2025-26487High
Server-Side Request Forgery (SSRF) vulnerability in Infinera MTC-9 allows remote unauthenticated users to gain access to other network resources using HTTPS requests through the appliance used as a bridge.
Original NVD description (English source)
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.
Vulnerability data from NVD (NIST) · CISA KEV · EPSS