CVE-2026-40423

published 2026-05-13

CVE-2026-40423: When a SIP profile is configured on a virtual server, undisclosed traffic can cause the Traffic Management Microkernel (TMM) to terminate. Note: Software…

high 8.7 CVSS 4.0

AV N AC L AT N PR N UI N VC N VI N VA H SC N SI N SA N E X CR X IR X AR X MAV X MAC X MAT X MPR X MUI X MVC X MVI X MVA X MSC X MSI X MSA X S X AU X R X V X RE X U X

When a SIP profile is configured on 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.

Affected

4 ranges

Vendor	Product	Version range	Fixed in
f5	big-ip	>= 16.1.0 < *	*
f5	big-ip	>= 17.1.0 < 17.1.3.2	17.1.3.2
f5	big-ip	>= 17.5.0 < 17.5.1.6	17.5.1.6
f5	big-ip	>= 21.0.0 < 21.0.0.2	21.0.0.2

CWE-770