CVE-2025-27019 CRITICAL

CVE-2025-27019: Remote shell service (RSH) in Infinera MTC-9

Vendor Infinera
Product MTC-9
Weakness CWE-306 · Missing auth
Published December 8, 2025
Last update December 8, 2025
View on NVD All CVEs

CVSS base score

9.8/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Confidentiality High
Integrity High

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

What the vulnerability does

01Description

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.

Key dates

02Disclosure timeline

December 8, 2025 CVE published
December 8, 2025 Record updated