SonicWall SMA 1000 Zero-Days Exploited, CVSS 10.0 Enables RCE

Wed, 15 Jul 2026 12:11:39 +0000

Engineer — Act: Two actively exploited zero-days in SonicWall SMA 1000 — CISA KEV listed, public PoC on GitHub, CVSS 10.0 SSRF enabling unauthenticated RCE. Apply SonicWall’s emergency patch immediately and restrict management access to SMA 1000 appliances while remediating.
SOC/IR — Act: Active exploitation of an edge VPN appliance with unauthenticated RCE — treat as assume-breach: sweep logs for anomalous SMA 1000 admin activity and lateral movement indicators since before the disclosure date, and escalate any SMA 1000 in the estate to incident response review.
Leader — Act: A CVSS 10.0 zero-day pair on a widely deployed enterprise VPN appliance is being actively exploited — confirm whether SonicWall SMA 1000 is in your environment, and if so brief leadership and prepare customer communications in case compromise is discovered during the sweep.
Signals: CVE-2026-15409 — CISA KEV: listed, EPSS n/a, public PoC on GitHub, reported by 2 collected sources

Edge-Appliance on CuraSec