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Δ / VULNERABILITY RECORD

CVE-2026-0400.

Source-reported disclosure and enrichment record.

SEVERITY / CVSSUnscoredNo severity score in this snapshot.
EXPLOITATION STATUSNot listed in the cached KEV catalogThis does not establish absence of exploitation.
RECORD STATUSAwaiting NVD dataModified May 20, 2026

Disclosure summary

A new SonicWall scanning surge mirrors the pattern that preceded CVE-2026-0400. GreyNoise details the activity and what defenders should watch.

Source-specific records & product guidance

Sources retain their own attribution and scoring. Follow the original record to confirm affected versions, fixed releases, and configuration conditions.

The GreyNoise Blog · RSS-39ebf92e9cbc52b89d3b3507cddd0de78bb

Open original source · Updated May 20, 2026

A New SonicWall Scanning Spike Echoes the Pattern That Preceded CVE-2026-0400

CVE mention in publisher metadata; check the original affected versions.

Original records & references

PUBLISHED 2026-05-20T20:00:00-04:00
MODIFIED 2026-05-20T20:00:00-04:00
INGESTED 2026-10-08T12:20:28-04:00