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

lowgreynoise_blogPublished 2026-05-21

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

Indicators of compromise

Original source: https://www.greynoise.io/blog/sonicwall-scanning-spike-echoes-pattern-preceded-cve-2026-0400