Summaryinfo

A vulnerability, which was classified as critical, has been found in F5 BIG-IP, BIG-IP Next SPK and BIG-IP Next CNF. This affects an unknown part of the component Traffic Management Microkernel. This manipulation causes memory corruption. This vulnerability appears as CVE-2025-60016. The attack may be initiated remotely. There is no available exploit. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability has been found in F5 BIG-IP, BIG-IP Next SPK and BIG-IP Next CNF (affected version unknown) and classified as critical. Affected by this vulnerability is an unknown functionality of the component Traffic Management Microkernel. The manipulation with an unknown input leads to a memory corruption vulnerability. The CWE definition for the vulnerability is CWE-119. The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. As an impact it is known to affect availability. The summary by CVE is:

When Diffie-Hellman (DH) group Elliptic Curve Cryptography (ECC) Brainpool curves are configured in an SSL profile's Cipher Rule or Cipher Group, and that profile is applied to a virtual server, undisclosed traffic can cause the Traffic Management Microkernel (TMM) to terminate.  Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.

The advisory is shared at my.f5.com. This vulnerability is known as CVE-2025-60016 since 10/04/2025. The exploitation appears to be easy. The attack can be launched remotely. The exploitation doesn't need any form of authentication. Neither technical details nor an exploit are publicly available. The price for an exploit might be around USD $0-$5k at the moment (estimation calculated on 10/17/2025).

The vulnerability scanner Nessus provides a plugin with the ID 270602 (F5 Networks BIG-IP : BIG-IP SSL/TLS vulnerability (K000139514)), which helps to determine the existence of the flaw in a target environment.

Upgrading eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at Tenable (270602). Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Type

• Firewall Software

Vendor

• F5

Name

• BIG-IP
• BIG-IP Next CNF
• BIG-IP Next SPK

License

• commercial

Website

• Vendor: https://f5.com/

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