VDB
CVE-2026-40618
CVE-2026-40618
PUBLISHED
CVSS 7.5 HIGH
When an SSL profile is configured on a virtual server on BIG-IP Virtual Edition (VE) without Intel QuickAssist Technology (QAT) or on BIG-IP hardware platforms with the database variable crypto.hwacceleration set to disabled, 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.
EPSS 0.10% · 27.1th percentile
Risk Scores
CVSS 3.1
7.5
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS Score
0.10%
27.1th percentile
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| F5 | BIG-IP Next CNF | 2.0.0, 1.1.0 |
| F5 | BIG-IP | 17.5.0, 17.1.0, 16.1.0 |
| F5 | BIG-IP Next SPK | 2.0.0, 1.7.0 |
| F5 | BIG-IP Next for Kubernetes | 2.0.0 |
Timeline
- May 13, 2026 CVE Published
- May 13, 2026 PoC Published
- May 14, 2026 PoC Published
- May 15, 2026 Security Advisory
- May 18, 2026 EPSS Score
- May 19, 2026 EPSS Score
- May 20, 2026 EPSS Score
- May 21, 2026 EPSS Score
- May 22, 2026 EPSS Score
- May 23, 2026 EPSS Score
- May 24, 2026 EPSS Score
- May 25, 2026 EPSS Score
References
- https://my.f5.com/manage/s/article/K000158082 vendor-advisory
- https://nvd.nist.gov/vuln/detail/CVE-2026-40618 advisory