CVE Explorer

CVE-2026-1876

Improper Resource Shutdown or Release vulnerability in Mitsubishi Electric Corporation MELSEC iQ-F Series FX5-ENET/IP Ethernet Module FX5-ENET/IP all versions allows a remote attacker to cause a denial-of-service (DoS) condition on the products by continuously sending UDP packets to the products. A system reset of the product is required for recovery.

Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:263bf23dbfbe359de18bf65d552bc0dbed6eb09590eb942d8d38ad14c4e40c9c

Known exploited

Not asserted

Disputed

Stale source

Conflicts

Affected products and versions

1 source assertion

{"defaultStatus":"unaffected","product":"MELSEC iQ-F Series FX5-ENET/IP Ethernet Module FX5-ENET/IP","vendor":"Mitsubishi Electric Corporation","versions":[{"status":"affected","version":"All versions"}]}

cve_program_cvelist_v5affected
urn:baitaphish:normalized-source-record:v2:1b8e314e386e9b1d53d9ae5602e61b7b1fdd2e220c58d1477ba31c19779e60ae · sha256:73776bdf887fef2f… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion

{"metric":{"attackComplexity":"LOW","attackRequirements":"NONE","attackVector":"NETWORK","baseScore":8.7,"baseSeverity":"HIGH","exploitMaturity":"NOT_DEFINED","privilegesRequired":"NONE","providerUrgency":"NOT_DEFINED","subAvailabilityImpact":"NONE","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:N","version":"4.0","vulnAvailabilityImpact":"HIGH","vulnConfidentialityImpact":"NONE","vulnIntegrityImpact":"NONE","vulnerabilityResponseEffort":"NOT_DEFINE…

cve_program_cvelist_v5cvss
urn:baitaphish:normalized-source-record:v2:1b8e314e386e9b1d53d9ae5602e61b7b1fdd2e220c58d1477ba31c19779e60ae · sha256:73776bdf887fef2f… · /containers/cna/metrics/0/cvssV4_0

CWE assertions

1 source assertion

{"cweId":"CWE-404","description":"CWE-404 Improper Resource Shutdown or Release","lang":"en","type":"CWE"}

cve_program_cvelist_v5cwe
urn:baitaphish:normalized-source-record:v2:1b8e314e386e9b1d53d9ae5602e61b7b1fdd2e220c58d1477ba31c19779e60ae · sha256:73776bdf887fef2f… · /containers/cna/problemTypes/0/descriptions/0

Source references

3 source assertions

{"tags":["government-resource"],"url":"https://jvn.jp/vu/JVNVU93286687/"}

cve_program_cvelist_v5reference
urn:baitaphish:normalized-source-record:v2:1b8e314e386e9b1d53d9ae5602e61b7b1fdd2e220c58d1477ba31c19779e60ae · sha256:73776bdf887fef2f… · /containers/cna/references/1

{"tags":["government-resource"],"url":"https://www.cisa.gov/news-events/ics-advisories/icsa-26-62-01"}

cve_program_cvelist_v5reference
urn:baitaphish:normalized-source-record:v2:1b8e314e386e9b1d53d9ae5602e61b7b1fdd2e220c58d1477ba31c19779e60ae · sha256:73776bdf887fef2f… · /containers/cna/references/2

{"tags":["vendor-advisory"],"url":"https://www.mitsubishielectric.com/psirt/vulnerability/pdf/2025-021_en.pdf"}

cve_program_cvelist_v5reference
urn:baitaphish:normalized-source-record:v2:1b8e314e386e9b1d53d9ae5602e61b7b1fdd2e220c58d1477ba31c19779e60ae · sha256:73776bdf887fef2f… · /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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