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Critical OpenSSH Vulnerability Exposes Moxa Ethernet Switches to Remote Code Execution

ID: 4030f4f6-0f18-53e3-a119-d1d69a24039a

STIX ID: report--4030f4f6-0f18-53e3-a119-d1d69a24039a

Feed Name: cybersecurityNews.com

Threat Score
75/100

Date Published: 2026-01-13

Date Updated: 2026-04-21

Author: Abinaya

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Moxa issued a security advisory for CVE-2023-38408 — a critical (CVSS 3.1 9.8) OpenSSH PKCS#11/ssh-agent forwarding vulnerability affecting multiple EDS and RKS series Ethernet switches that can enable unauthenticated remote code execution; Moxa provides fixed firmware (EDS v4.1.58, RKS v5.0.4) and recommends immediate patching, network segmentation, access controls, and monitoring until updates are applied.

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