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Critical OpenSSH Vulnerability Exposes Moxa Ethernet Switches to Remote Code Execution

Cybersecuritynews •Abinaya • January 13, 2026

Moxa has issued a critical security advisory regarding CVE-2023-38408, a severe vulnerability in OpenSSH affecting multiple Ethernet switch models. The flaw, with a CVSS 3.1 score of 9.8, allows unauthenticated remote attackers to execute arbitrary code on vulnerable devices without requiring user interaction. CVE-2023-38408 stems from an unreliable path in the PKCS#11 feature of […]

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Critical OpenSSH Vulnerability in Moxa Ethernet Switches Allows Remote Code Execution Moxa has issued a security advisory for CVE-2023-38408, a critical vulnerability in OpenSSH that affects multiple Ethernet switch models. With a CVSS score of 9.8, this flaw enables unauthenticated remote attackers to execute arbitrary code on vulnerable devices without user interaction. The vulnerability arises from an incomplete fix to a prior OpenSSH security issue. 2 sources 68

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Critical OpenSSH Vulnerability Exposes Moxa Ethernet Switches to Remote Code Execution

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