SSH Session Multiplexing Vulnerability in Arista Networks Products

CVE-2025-54547

What is CVE-2025-54547?

A vulnerability exists in Arista Networking Devices related to SSH session multiplexing that may allow unauthorized file-system operations to occur after a session timeout has been reached. If configured on the client-side, multiplexed SSH sessions such as SCP or SFTP could exploit this weakness, enabling improper filesystem activities despite the configured session inactivity timeout. This poses a significant risk to the integrity and security of systems relying on proper session management for operations.

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