Description
On BIG-IP versions 17.0.x before 17.0.0.2, 16.1.x before 16.1.3.3, 15.1.x before 15.1.8.1, 14.1.x before 14.1.5.3, and all version of 13.1.x, when a DNS profile with the Rapid Response Mode setting enabled is configured on a virtual server with hardware SYN cookies enabled, undisclosed requests cause the Traffic Management Microkernel (TMM) to terminate. Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.
Affected products
f5: big-ip domain name system; f5: big-ip local traffic manager; f5: big-ip 10000s firmware; f5: big-ip 10000s; f5: big-ip 10200v firmware; f5: big-ip 10200v; f5: big-ip 10200v-ssl firmware; f5: big-ip 10200v-ssl; f5: big-ip 12000 firmware; f5: big-ip 12000; f5: big-ip 5000s firmware; f5: big-ip 5000s; f5: big-ip 5200v firmware; f5: big-ip 5200v; f5: big-ip 5200v-ssl firmware
References2
- my.f5.com/manage/s/article/K37708118 Vendor Advisory
- my.f5.com/manage/s/article/K37708118 Vendor Advisory
Metrics
- CVSS 3.1
-
7.5
HIGH
Score source: NVD
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - EPSS — exploit probability
- 1% percentile: 50 · as of 6 November 2026
- CWE
- CWE-476
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