SSL Brainpool ECC Trigger TMM Crash in F5 BIG-IP
CVE-2025-60016 Published on October 15, 2025
BIG-IP SSL/TLS vulnerability
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.
Vulnerability Analysis
CVE-2025-60016 is exploitable with network access, and does not require authorization privileges or user interaction. This vulnerability is considered to have a low attack complexity. The potential impact of an exploit of this vulnerability is considered to have no impact on confidentiality and integrity, and a high impact on availability.
Weakness Type
What is a Buffer Overflow Vulnerability?
The software 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.
CVE-2025-60016 has been classified to as a Buffer Overflow vulnerability or weakness.
Products Associated with CVE-2025-60016
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Affected Versions
F5 BIG-IP:- Version 17.5.0 and below * is unaffected.
- Version 17.1.0 and below 17.1.2 is affected.
- Version 16.1.0 and below * is unaffected.
- Version 15.1.0 and below * is unaffected.
- Version 2.0.0 and below * is unaffected.
- Version 1.7.0 and below * is affected.
- Version 2.0.0 and below * is unaffected.
- Version 1.1.0 and below 1.4.0 is affected.
Exploit Probability
EPSS (Exploit Prediction Scoring System) scores estimate the probability that a vulnerability will be exploited in the wild within the next 30 days. The percentile shows you how this score compares to all other vulnerabilities.