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CVE-2026-25089: FortiSandbox Unauthenticated RCE Added to CISA KEV

2026-10-19 17:27 UTC · HN (cve) · read the source ↗ #fortinet#cisa-kev#command-injection
  • Engineer — Act: FortiSandbox unauthenticated command injection is CISA KEV-listed with EPSS 0.76 and a public PoC — patch to the vendor-issued fixed version immediately, or isolate the appliance from untrusted network access if patching cannot be done within your window.
  • SOC/IR — Act: With a public PoC and active exploitation implied by KEV listing, hunt for anomalous outbound connections or unexpected process execution from FortiSandbox hosts; check for command injection attempts in appliance logs since the CVE disclosure date.
  • Leader — Plan: This is a critical edge-appliance RCE at the active-exploitation threshold, but it is a routine patch-and-remediate event unless your org runs FortiSandbox — confirm with engineering whether it is in scope and verify remediation is on track.
  • Signals: CVE-2026-25089 — CISA KEV: listed, EPSS 0.76, public PoC on GitHub
This entry was curated and judged by AI (Claude) with automated enrichment (CISA KEV / EPSS / public PoC). Verify against the original source before acting. Found a bad verdict? Report it — confirmed errors go to the corrections log.