What is CVE-2025-48008?

CVE-2025-48008 is a high-severity vulnerability in F5 Big-ip, classified under Use After Free. CVSS score: 7.5/10. Published 2025-10-15.

How severe is CVE-2025-48008?

High severity. CVSS v3 base score is 7.5 out of 10.

Use After Free in F5 Big-ip

CVE-2025-48008

When a TCP profile with Multipath TCP (MPTCP) enabled is configured on a virtual server, undisclosed traffic along with conditions beyond the attacker's control can cause the Traffic Management Microkernel (TMM) to terminate. Note: Softwa…

Vulnerability class: Use-After-Free

EPSS: 0.001 (25.1th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

Affected products

F5 Big-ip — versions 17.5.0, 17.1.0, 16.1.0
F5 Big-ip Next Cnf — versions 2.0.0, 1.1.0
F5 Big-ip Next Spk — versions 2.0.0, 1.7.0

Weakness classification (CWE)

CWE-416 — Use After Free

References

my.f5.com/manage/s/article/K000150614 (vendor-advisory)

Frequently asked questions

What is CVE-2025-48008?: CVE-2025-48008 is a high-severity vulnerability in F5 Big-ip, classified under Use After Free. CVSS score: 7.5/10. Published 2025-10-15.
How severe is CVE-2025-48008?: High severity. CVSS v3 base score is 7.5 out of 10.