CVE-2026-83549

SonicWall SMA1000 Appliances: OS Command Injection

As of , CVE-2026-83549 in SonicWall SMA1000 Appliances is on CISA's list of exploited vulnerabilities: CISA listed it on . Our patch-first group: Patch now.

Exploited
Yes: CISA listed it on 2 September 2026
US federal deadline
5 September 20263 days after CISA listed it. US federal civilian agencies must fix it by then.
Used in ransomware campaigns
Not known to CISA
Forensic triage
Required by CISA under BOD 26-04Agencies must also look for signs that attackers already got in.
EPSS score
0.11Higher than 95% of the CVEs EPSS scores. EPSS estimates the chance of exploitation activity in the next 30 days.
Public exploit
1 Metasploit module
Fix
Vendor advice: psirt.global.sonicwall.comLinks below, from CISA's entry.

What CISA says to do

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.

CISA's required action

What the flaw is

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.

CISA's 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.

The CVE record's description, from sonicwall

CVE published
1 September 2026
Assigned by
sonicwall
CVSS
7.8 High (CVSS 3.1, from CISA-ADP)
CWE-78
Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
CISA SSVC, exploitation
active
CISA SSVC, automatable
no
CISA SSVC, technical impact
total

Timeline

  1. The CVE record was published.
  2. CISA added it to its list of exploited vulnerabilities.
  3. The US federal deadline to fix it.

Public exploits

Facts from Metasploit's module list and Exploit-DB's index; we never copy exploit code.

SMA1000 Appliances: other exploited entries

VulnerabilityProductOur groupListedDeadlineEPSS
CVE-2026-83548Server-Side Request ForgerySonicWall SMA1000 AppliancesPatch nowForensic triage required by CISA; Metasploit module0.09
CVE-2026-15409Server-Side Request ForgerySonicWall SMA1000 AppliancesPatch nowForensic triage required by CISA; ransomware use, listed within a year; Metasploit module0.07
CVE-2026-15410Code InjectionSonicWall SMA1000 AppliancesPatch nowForensic triage required by CISA; ransomware use, listed within a year0.12
CVE-2025-23006DeserializationSonicWall SMA1000 AppliancesPatch this weekRansomware use0.23

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