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CVE-2026-83549

HIGH 7.8 KNOWN EXPLOITED PoC CATALOGUED ALL-YEARS

Published 2026-09-01 · Last modified 2026-09-21 · sonicwall · NVD: Analyzed

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.

ACTIVELY EXPLOITED

Confirmed exploited in the wild — in CISA KEV since 2026-09-02. Patch or mitigate now.

Exploitation likelihood

9.9%chance of exploitation in 30 days · 96th percentile

● In CISA KEV (2026-09-02)● Catalogued PoC◆ SSVC: exploitation active, automatable no

Impact if exploited

7.8CVSS 3.1 · HIGH · ADP

  • ConfidentialityHigh
  • IntegrityHigh
  • AvailabilityHigh

What an attacker needs

  • ⚠Access: Requires local access to the host
  • ⚠Privileges: Requires a low-privilege account
  • ✓User interaction: No user interaction needed
  • ✓Complexity: No special conditions — reliably repeatable

✓ lowers the bar for an attacker · ⚠ raises it

Proof of concept

Public PoC or exploit resources are catalogued below.

Listed by the named source; Vulnpedia has not tested these resources.

PoC data: JSON

Resource commands

curl -s https://vulnpedia.com/cve/CVE-2026-83549/poc.jsonMachine-readable PoC index for this CVE (for automation).

Search for new PoCs

Search GitHub now — results may be empty or unverified.

Tracked sources are checked weekly for the full archive, including PoCs published after the original disclosure. A later release appears after a tracked source lists it and a refresh succeeds.

Data snapshot:

Affected

Vendors Sonicwall

Products Sma1000 Sma8200v Sma6210 Firmware Sma6210 Sma7210 Firmware Sma7210

Weakness (CWE)

  • CWE-78: Improper neutralization of special elements used in an OS command ('OS command injection')

CVSS vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

References and research data (JSON)

Additional exploitation reports

Source-specific reports, separate from CISA KEV. Repeated observations from one source are not independent confirmations.

  • VulnCheck KEV · 2026-09-01T00:00:00Z

    Source guidance: 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.

    Source ransomware assessment: Unknown

    VulnCheck KEV · CVE-2026-83549 · Updated 2026-09-01T00:00:00Z
  • VulnCheck KEV · 2026-09-01T00:00:00ZVulnCheck KEV · CVE-2026-83549
    VulnCheck KEV · CVE-2026-83549
  • VulnCheck KEV · 2026-09-02T00:00:00ZVulnCheck KEV · CVE-2026-83549
    VulnCheck KEV · CVE-2026-83549
  • VulnCheck KEV · 2026-09-04T00:00:00ZVulnCheck KEV · CVE-2026-83549
  • VulnCheck KEV · 2026-09-07T00:00:00ZVulnCheck KEV · CVE-2026-83549

Known Affected Software Configurations

VendorProductVersion range
SonicwallSma8200v< 12.4.3-03526
SonicwallSma8200v≥ 12.5.0 and < 12.5.0-02952
SonicwallSma6210 Firmware< 12.4.3-03526
SonicwallSma6210 Firmware≥ 12.5.0 and < 12.5.0-02952
SonicwallSma7210 Firmware< 12.4.3-03526
SonicwallSma7210 Firmware≥ 12.5.0 and < 12.5.0-02952

All CVSS metrics

  • HIGH 7.8 v3.1 · ADP Primary
    CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
  • HIGH 7.8 v3.1 · NVD Secondary
    CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

References

Advisories

Technical & other

Sources: NVD · CVE.org · All sources and attribution · EPSS