← All Advisories

SonicWall SMA1000 Appliances' OS Command Injection Allows Authenticated Local Attackers to Execute Arbitrary Commands with Root Privileges; CISA's September 5th KEV Deadline Has Passed

Last refreshed2026-09-27

Status: KEV  |  Advisory ID: CVE-2026-83549

Key Details

CVECVE-2026-83549
Vulnerability NameSonicWall SMA1000 Appliances OS Command Injection Vulnerability
CVSS Score / Version7.8 (High) / CVSS v3.1
Updated2026-09-22
CVSS VectorCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CVSS Proseattack vector is local; attack complexity is low; privileges required is low; user interaction is none; scope is unchanged; confidentiality impact is high; integrity impact is high; availability impact is high.
Affected productsSonicWall SMA1000 Appliances, SonicWall SMA8200V, SonicWall SMA6210 Firmware, and SonicWall SMA7210 Firmware
Exploitation statusListed in CISA's Known Exploited Vulnerabilities (KEV) catalog, indicating confirmed active exploitation.
Classified asCWE-78 (Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection'))
KEV listingAdded to CISA's Known Exploited Vulnerabilities (KEV) catalog on 2026-09-02.
Exploitation prediction (EPSS)10.76% probability of exploitation in the next 30 days (96% percentile) -- FIRST.org's EPSS model.
Federal remediation deadline2026-09-05 (CISA KEV, Binding Operational Directive).

Affected Products, Subsystems & Sectors

VendorProductAffected VersionsPatch Status
SonicWallSMA1000 Appliances
SonicWallSMA8200V
SonicWallSMA6210 Firmware
SonicWallSMA7210 Firmware
SubsystemsIndustrial Network - Routers/Firewalls, PLC/PAC/RTU
SectorsMulti-sector

What to Know

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.

What to Do

Monitor SonicWall's web page for any future patch releases. See vendor advisory link below.

References

SourceReference
NVDhttps://nvd.nist.gov/vuln/detail/CVE-2026-83549
CVEhttps://www.cve.org/CVERecord?id=CVE-2026-83549
Vendor advisoryhttps://psirt.global.sonicwall.com/vuln-detail/SNWLID-2026-0016

KEV Required Action

FieldValue
KEV Linkhttps://www.cisa.gov/known-exploited-vulnerabilities-catalog
Date Added to KEV2026-09-02
Required Action Due Date2026-09-05
Required ActionApply 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.

About

OT-Advisories  ·  CVE  ·  NVD  ·  CVSS  ·  KEV  ·  EPSS  ·  CWE