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[ CVE-2026-83549 · Published 1 Sep 2026 ]

SonicWall SMA1000 Appliances OS Command Injection Vulnerability

Exploited · CISA KEV CVSS 7.8 EPSS 10%1 agency advisoryFix available

[ Why it matters ]Priority signals

  • Exploited in the wild: on CISA's Known Exploited Vulnerabilities list since 2026-09-02
  • Urgent advisory from CERT-FR

[ Description ]Official description

Post-authentication Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection') vulnerability has been identified in the SMA1000 Appliance Management Console (AMC) which in specific conditions could potentially enable a remote authenticated attacker as administrator to execute arbitrary OS commands, resulting in remote code execution.

CISA: SonicWall SMA1000 Appliances contains an OS command injection vulnerability that could enable a remote authenticated attacker as administrator to execute arbitrary OS commands, resulting in remote code execution.

[ Fixes ]Fixes and patches

CISA required action (US federal deadline 5 Sep 2026): Apply mitigations in accordance with vendor instructions, ensuring compliance with CISA’s BOD 26-04 Prioritizing Security Updates Based on Risk (see URL in Notes) guidance and CISA’s “Forensics Triage Requirements” (see URL in Notes). Follow applicable BOD 26-04 guidance for cloud services or discontinue use of the product if mitigations are unavailable. Stakeholders are responsible for evaluating each asset's internet exposure and ensuring adherence to BOD 26-04 patching guidelines.

[ Advisories ]Government CERT advisories

  • CERT-FRCERTFR-2026-ALE-009

    Multiple vulnerabilities in SonicWall Secure Mobile Access Translated from French

    On 1 September 2026, SonicWall published a security advisory about two vulnerabilities affecting Secure Mobile Access (SMA) 1000. The critical vulnerability CVE-2026-83548 allows server-side request forgery (SSRF) by an…

    AlertCVE-2026-83549CVE-2026-83548

[ References ]References