What is CVE-2026-83549?

CVE-2026-83549 is a high-severity vulnerability in SonicWall Sma1000, classified under OS Command Injection. CVSS score: 7.8/10. Published 2026-09-01.

How severe is CVE-2026-83549?

High severity. CVSS v3 base score is 7.8 out of 10.

RCE in SonicWall Sma1000

CVE-2026-83549

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.

Vulnerability class: Command Injection (OS Command Injection)

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

Affected products

Sonicwall Sma1000 — versions 12.4.3-03453 (platform-hotfix) and older versions, 12.5.0-02835 (platform-hotfix) and older versions

Weakness classification (CWE)

CWE-78 — OS Command Injection

References

PSIRT@sonicwall.com (vendor-advisory)

Frequently asked questions

What is CVE-2026-83549?: CVE-2026-83549 is a high-severity vulnerability in SonicWall Sma1000, classified under OS Command Injection. CVSS score: 7.8/10. Published 2026-09-01.
How severe is CVE-2026-83549?: High severity. CVSS v3 base score is 7.8 out of 10.