CVE-2026-83549

Published Sep 1, 2026

Last updated a month ago

Exploit known CVSS high 7.8

Sonicwall

VPN

SMA1000 Appliance Management Console

Overview

AI description

Automated description summarized from trusted sources.

CVE-2026-83549 is a post-authentication operating system command injection vulnerability found in the Appliance Management Console (AMC) of SonicWall SMA 1000 series appliances. This flaw, categorized as an improper neutralization of special elements used in an OS command (CWE-78), could allow a remote authenticated attacker with administrator privileges to execute arbitrary operating system commands under specific conditions. The vulnerability affects SonicWall SMA 1000 models 6210, 7210, and 8200v, specifically in versions 12.4.3-03453 (platform-hotfix) and older, and 12.5.0-02835 (platform-hotfix) and older. It has been observed in active exploitation, often chained with CVE-2026-83548, a pre-authentication server-side request forgery vulnerability, to achieve remote code execution.

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.
Source: PSIRT@sonicwall.com
NVD status: Analyzed
Products: sma8200v, sma6210_firmware, sma7210_firmware

Risk scores

CVSS 3.1

Type: Secondary
Base score: 7.8
Impact score: 5.9
Exploitability score: 1.8
Vector string: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Severity: HIGH

Known exploits

Data from CISA

Vulnerability name: SonicWall SMA1000 Appliances OS Command Injection Vulnerability
Exploit added on: Sep 2, 2026
Exploit action due: Sep 5, 2026
Required action: 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.

Weaknesses

PSIRT@sonicwall.com: CWE-78

Hype score: Not currently trending

Configurations

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References

Sources include official advisories and independent security research.