CVE catalog

CVE-2026-40423

When a SIP profile is configured on a virtual server…

[CVE catalog]

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.

Severity
High · CVSS 8.7CVSS: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
Published
Source
[NVD] · [CVE record]
EPSS
0.26% · Oct 27, 2026

Reported versions and fixes

Each observation applies to its named package, distribution, and release. Distribution backports can fix a vulnerability while retaining an older upstream version number.

Version impact has not been established. The original provider fields are retained below.

Provider details and historical evidence
Original provider fields
{
  "package_releases": [],
  "fixed_versions": [],
  "distribution_packages": [
    {
      "name": "big-ip_access_policy_manager",
      "ecosystem": "cpe",
      "fixed_version": ""
    },
    {
      "name": "big-ip_advanced_firewall_manager",
      "ecosystem": "cpe",
      "fixed_version": ""
    },
    {
      "name": "big-ip_advanced_web_application_firewall",
      "ecosystem": "cpe",
      "fixed_version": ""
    },
    {
      "name": "big-ip_analytics",
      "ecosystem": "cpe",
      "fixed_version": ""
    },
    {
      "name": "big-ip_application_acceleration_manager",
      "ecosystem": "cpe",
      "fixed_version": ""
    },
    {
      "name": "big-ip_application_security_manager",
      "ecosystem": "cpe",
      "fixed_version": ""
    },
    {
      "name": "big-ip_application_visibility_and_reporting",
      "ecosystem": "cpe",
      "fixed_version": ""
    },
    {
      "name": "big-ip_automation_toolchain",
      "ecosystem": "cpe",
      "fixed_version": ""
    },
    {
      "name": "big-ip_carrier-grade_nat",
      "ecosystem": "cpe",
      "fixed_version": ""
    },
    {
      "name": "big-ip_container_ingress_services",
      "ecosystem": "cpe",
      "fixed_version": ""
    },
    {
      "name": "big-ip_access_policy_manager",
      "ranges": [
        {
          "fixed": "",
          "introduced": "17.5.0",
          "last_affected": "17.5.1",
          "start_excluding": ""
        }
      ],
      "ecosystem": "cpe",
      "fixed_version": "",
      "provider_record_id": "NVD-CVE-2026-40423"
    },
    {
      "name": "big-ip_advanced_firewall_manager",
      "ranges": [
        {
          "fixed": "",
          "introduced": "17.5.0",
          "last_affected": "17.5.1",
          "start_excluding": ""
        }
      ],
      "ecosystem": "cpe",
      "fixed_version": "",
      "provider_record_id": "NVD-CVE-2026-40423"
    },
    {
      "name": "big-ip_advanced_web_application_firewall",
      "ranges": [
        {
          "fixed": "",
          "introduced": "17.5.0",
          "last_affected": "17.5.1",
          "start_excluding": ""
        }
      ],
      "ecosystem": "cpe",
      "fixed_version": "",
      "provider_record_id": "NVD-CVE-2026-40423"
    },
    {
      "name": "big-ip_analytics",
      "ranges": [
        {
          "fixed": "",
          "introduced": "17.5.0",
          "last_affected": "17.5.1",
          "start_excluding": ""
        }
      ],
      "ecosystem": "cpe",
      "fixed_version": "",
      "provider_record_id": "NVD-CVE-2026-40423"
    },
    {
      "name": "big-ip_application_acceleration_manager",
      "ranges": [
        {
          "fixed": "",
          "introduced": "17.5.0",
          "last_affected": "17.5.1",
          "start_excluding": ""
        }
      ],
      "ecosystem": "cpe",
      "fixed_version": "",
      "provider_record_id": "NVD-CVE-2026-40423"
    },
    {
      "name": "big-ip_application_security_manager",
      "ranges": [
        {
          "fixed": "",
          "introduced": "17.5.0",
          "last_affected": "17.5.1",
          "start_excluding": ""
        }
      ],
      "ecosystem": "cpe",
      "fixed_version": "",
      "provider_record_id": "NVD-CVE-2026-40423"
    },
    {
      "name": "big-ip_application_visibility_and_reporting",
      "ranges": [
        {
          "fixed": "",
          "introduced": "17.5.0",
          "last_affected": "17.5.1",
          "start_excluding": ""
        }
      ],
      "ecosystem": "cpe",
      "fixed_version": "",
      "provider_record_id": "NVD-CVE-2026-40423"
    },
    {
      "name": "big-ip_automation_toolchain",
      "ranges": [
        {
          "fixed": "",
          "introduced": "17.5.0",
          "last_affected": "17.5.1",
          "start_excluding": ""
        }
      ],
      "ecosystem": "cpe",
      "fixed_version": "",
      "provider_record_id": "NVD-CVE-2026-40423"
    },
    {
      "name": "big-ip_carrier-grade_nat",
      "ranges": [
        {
          "fixed": "",
          "introduced": "17.5.0",
          "last_affected": "17.5.1",
          "start_excluding": ""
        }
      ],
      "ecosystem": "cpe",
      "fixed_version": "",
      "provider_record_id": "NVD-CVE-2026-40423"
    },
    {
      "name": "big-ip_container_ingress_services",
      "ranges": [
        {
          "fixed": "",
          "introduced": "17.5.0",
          "last_affected": "17.5.1",
          "start_excluding": ""
        }
      ],
      "ecosystem": "cpe",
      "fixed_version": "",
      "provider_record_id": "NVD-CVE-2026-40423"
    }
  ]
}

OpenFactory catalog packages

Matching against OpenFactory catalog package versions is in progress.

Observed:

References

[CERT-Bund public advisories] · [FIRST EPSS] · [National Vulnerability Database (NVD)]