DDoS Vulnerability in Traffic Management Microkernel by F5 Networks

CVE-2025-61951

What is CVE-2025-61951?

Undisclosed traffic can lead to an unexpected termination of the Traffic Management Microkernel (TMM) in F5's products. This vulnerability arises specifically when a DTLS 1.2 virtual server is configured with a Server SSL profile that utilizes a certificate and key, while the SSL Sign Hash is set to ANY. Furthermore, the backend server must have DTLS 1.2 with client authentication enabled. Organizations should be aware of this issue as it can impact service availability and security.

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References