BIG-IP
CVE-2025-22846: BIG-IP SIP Vulnerability
When SIP Session and Router ALG profiles are configured on a Message Routing type virtual server, undisclosed traffic can cause the Traffic Management Microkernel (TMM) to terminate.
Published
ExploitedNot in CISA KEV
Ransomware useNot reportedPer CISA
SeverityHIGHCVSS 4.0 8.7
EPSS0.41%Chance of exploitation in 30 days
Public exploitNot tracked
FixAvailable
Automatic summary from the vendor's CVE record. We haven't written a full analysis of this vulnerability yet.
Affected and fixed versions
| Product / branch | Fixed in |
|---|---|
| BIG-IP 17.1 | 17.1.2 or later |
| BIG-IP 16.1 | 16.1.5 or later |
| BIG-IP 15.1 | Hotfix-BIGIP-15.1.10.6.0.11.6-ENG.iso or later |
| BIG-IP Next SPK 1.8 | 1.9.1 or later |
| BIG-IP Next SPK 1.7 | 1.7.7 or later |
Always confirm against the vendor advisory, which lists every fixed hotfix.
What it is
When SIP Session and Router ALG profiles are configured on a Message Routing type 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.
Sources
KEV status, EPSS score and vendor data refreshed automatically, last on 12 Oct 2026.