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CVE-2026-40618

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.
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:5b935fb58d39e29ab449daa3b73291ab83092df93f73a7ca5b8c1b70b6234fcd
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
2

Preserved source conflicts

No provider value was silently selected as the winner.

affected · 4 assertions

{"defaultStatus":"unknown","product":"BIG-IP Next CNF","vendor":"F5","versions":[{"lessThan":"*","status":"affected","version":"2.0.0","versionType":"custom"},{"lessThan":"*","status":"affected","version":"1.1.0","versionType":"custom"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:85bd6ea39221e1cf6d6906d4f80c731d0f74185192c9dbe042ba5ab3e8b5fd47 · sha256:e9aed16f2b6b3442… · /containers/cna/affected/2

{"defaultStatus":"unknown","modules":["All Modules"],"product":"BIG-IP","vendor":"F5","versions":[{"lessThan":"*","status":"unaffected","version":"21.1.0","versionType":"custom"},{"lessThan":"21.0.0.1","status":"affected","version":"21.0.0","versionType":"custom"},{"lessThan":"17.1.5.4","status":"affected","version":"17.5.0","versionType":"custom"},{"lessThan":"17.1.3.1","status":"affected","version":"17.1.0","versionType":"custom"},{"lessThan":"*","status":"affected","version":"16.1.0","versionType":"custom"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:85bd6ea39221e1cf6d6906d4f80c731d0f74185192c9dbe042ba5ab3e8b5fd47 · sha256:e9aed16f2b6b3442… · /containers/cna/affected/0

{"defaultStatus":"unaffected","product":"BIG-IP Next for Kubernetes","vendor":"F5","versions":[{"lessThan":"2.2.0","status":"affected","version":"2.0.0","versionType":"custom"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:85bd6ea39221e1cf6d6906d4f80c731d0f74185192c9dbe042ba5ab3e8b5fd47 · sha256:e9aed16f2b6b3442… · /containers/cna/affected/3

{"defaultStatus":"unknown","product":"BIG-IP Next SPK","vendor":"F5","versions":[{"lessThan":"*","status":"affected","version":"2.0.0","versionType":"custom"},{"lessThan":"*","status":"affected","version":"1.7.0","versionType":"custom"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:85bd6ea39221e1cf6d6906d4f80c731d0f74185192c9dbe042ba5ab3e8b5fd47 · sha256:e9aed16f2b6b3442… · /containers/cna/affected/1
cvss · 2 assertions

{"metric":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"HIGH","baseScore":7.5,"baseSeverity":"HIGH","confidentialityImpact":"NONE","integrityImpact":"NONE","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","version":"3.1"},"metric_type":"cvssV3_1"}

  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:85bd6ea39221e1cf6d6906d4f80c731d0f74185192c9dbe042ba5ab3e8b5fd47 · sha256:e9aed16f2b6b3442… · /containers/cna/metrics/0/cvssV3_1

{"metric":{"Automatable":"NOT_DEFINED","Recovery":"NOT_DEFINED","Safety":"NOT_DEFINED","attackComplexity":"LOW","attackRequirements":"NONE","attackVector":"NETWORK","baseScore":8.7,"baseSeverity":"HIGH","privilegesRequired":"NONE","providerUrgency":"NOT_DEFINED","subAvailabilityImpact":"LOW","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","userInteraction":"NONE","valueDensity":"NOT_DEFINED","vectorString":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:L","version":"4.0","vulnAvailabilityImpact":"HIGH","vulnConfidentialityImpact":"NONE","vulnIntegrityImpact":"NONE…

  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:85bd6ea39221e1cf6d6906d4f80c731d0f74185192c9dbe042ba5ab3e8b5fd47 · sha256:e9aed16f2b6b3442… · /containers/cna/metrics/1/cvssV4_0

Affected products and versions

4 source assertions
{"defaultStatus":"unknown","product":"BIG-IP Next CNF","vendor":"F5","versions":[{"lessThan":"*","status":"affected","version":"2.0.0","versionType":"custom"},{"lessThan":"*","status":"affected","version":"1.1.0","versionType":"custom"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:85bd6ea39221e1cf6d6906d4f80c731d0f74185192c9dbe042ba5ab3e8b5fd47 · sha256:e9aed16f2b6b3442… · /containers/cna/affected/2
{"defaultStatus":"unknown","modules":["All Modules"],"product":"BIG-IP","vendor":"F5","versions":[{"lessThan":"*","status":"unaffected","version":"21.1.0","versionType":"custom"},{"lessThan":"21.0.0.1","status":"affected","version":"21.0.0","versionType":"custom"},{"lessThan":"17.1.5.4","status":"affected","version":"17.5.0","versionType":"custom"},{"lessThan":"17.1.3.1","status":"affected","version":"17.1.0","versionType":"custom"},{"lessThan":"*","status":"affected","version":"16.1.0","versionType":"custom"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:85bd6ea39221e1cf6d6906d4f80c731d0f74185192c9dbe042ba5ab3e8b5fd47 · sha256:e9aed16f2b6b3442… · /containers/cna/affected/0
{"defaultStatus":"unaffected","product":"BIG-IP Next for Kubernetes","vendor":"F5","versions":[{"lessThan":"2.2.0","status":"affected","version":"2.0.0","versionType":"custom"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:85bd6ea39221e1cf6d6906d4f80c731d0f74185192c9dbe042ba5ab3e8b5fd47 · sha256:e9aed16f2b6b3442… · /containers/cna/affected/3
{"defaultStatus":"unknown","product":"BIG-IP Next SPK","vendor":"F5","versions":[{"lessThan":"*","status":"affected","version":"2.0.0","versionType":"custom"},{"lessThan":"*","status":"affected","version":"1.7.0","versionType":"custom"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:85bd6ea39221e1cf6d6906d4f80c731d0f74185192c9dbe042ba5ab3e8b5fd47 · sha256:e9aed16f2b6b3442… · /containers/cna/affected/1

Provider-owned CVSS observations

2 source assertions
{"metric":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"HIGH","baseScore":7.5,"baseSeverity":"HIGH","confidentialityImpact":"NONE","integrityImpact":"NONE","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","version":"3.1"},"metric_type":"cvssV3_1"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:85bd6ea39221e1cf6d6906d4f80c731d0f74185192c9dbe042ba5ab3e8b5fd47 · sha256:e9aed16f2b6b3442… · /containers/cna/metrics/0/cvssV3_1
{"metric":{"Automatable":"NOT_DEFINED","Recovery":"NOT_DEFINED","Safety":"NOT_DEFINED","attackComplexity":"LOW","attackRequirements":"NONE","attackVector":"NETWORK","baseScore":8.7,"baseSeverity":"HIGH","privilegesRequired":"NONE","providerUrgency":"NOT_DEFINED","subAvailabilityImpact":"LOW","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","userInteraction":"NONE","valueDensity":"NOT_DEFINED","vectorString":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:L","version":"4.0","vulnAvailabilityImpact":"HIGH","vulnConfidentialityImpact":"NONE","vulnIntegrityImpact":"NONE…
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:85bd6ea39221e1cf6d6906d4f80c731d0f74185192c9dbe042ba5ab3e8b5fd47 · sha256:e9aed16f2b6b3442… · /containers/cna/metrics/1/cvssV4_0

CWE assertions

1 source assertion
{"cweId":"CWE-131","description":"CWE-131 Incorrect Calculation of Buffer Size","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:85bd6ea39221e1cf6d6906d4f80c731d0f74185192c9dbe042ba5ab3e8b5fd47 · sha256:e9aed16f2b6b3442… · /containers/cna/problemTypes/0/descriptions/0

Source references

1 source assertion
{"tags":["vendor-advisory","patch"],"url":"https://my.f5.com/manage/s/article/K000158082"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:85bd6ea39221e1cf6d6906d4f80c731d0f74185192c9dbe042ba5ab3e8b5fd47 · sha256:e9aed16f2b6b3442… · /containers/cna/references/0

Attribution and limitations

  • CVE Program CVEList V5: Reproduce the MITRE copyright designation and CVE license in copies. Source →

Provider severity values are preserved separately. Baitaphish does not convert them into a risk rating, infer affected products, or treat EPSS as observed exploitation.

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