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.
High 7.8Actively exploited
CVE-2026-83549
SonicWall SMA1000 Appliances — OS Command Injection.
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…
WeaknessCWE-78: Command injection
Published Updated Source NVD and CISA KEV
CVSS 3.1
7.8
AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Exploit chance, 30 days
9.9%
Higher than 95% of all CVEs (EPSS)
Status
Actively exploited
On CISA KEV since 2 Sep 2026
Patch
Unknown
Check the vendor advisory
What happened
What to do
- 01Check whether you run SonicWall SMA1000 Appliances, and which version.
- 02Follow the vendor advisory for a fix or a workaround.
- 03Apply 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.
CISA deadlineUS federal agencies must remediate by
References
Timeline · UTC
- Published to NVD
- Added to CISA KEV
- CISA remediation deadline
- NVD record updated
Also actively exploited
Other CVEs in SonicWall SMA1000 Appliances
3 more CVEs, 3 actively exploited