OpenSSL DH_check parameter DoS (CVE-2023-3817)

Summary

Additional checks in DH_check() fail to mitigate computational DoS attacks entirely.

Vulnerability ID	Vulnerability Overview
CVE-2023-3817	Similar to CVE-2023-3446, processing specific edge-case DH parameters still results in severe delays due to expensive computational checks inside OpenSSL.

Affected Supported TeraStations

TS5010/3020/3010
Fixed in firmware version 6.12
 

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Date	Description
09/10/2026	Initial release

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