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HIGH CISA KEV

CVE-2026-83549

CVSS v3

7.8

HIGH

EPSS Score

0.9 %

exploit probability

CISA KEV

Yes

known exploited

Exploitation

—

SSVC status

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.

CISA Known Exploited Vulnerability

Date Added
2026-09-02
Patch Due Date
2026-09-05
Ransomware Use
Unknown

Technical details

CVSS v3 Vector
3.1
Published
2026-09-01
Last Modified
2026-09-03
CERT-FR Advisory
CERTFR-2026-AVI-1103
CERT-FR Link
CERTFR-2026-AVI-1103

Frequently asked questions

What is 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.

Is CVE-2026-83549 actively exploited?

Yes. CVE-2026-83549 is on the CISA Known Exploited Vulnerabilities (KEV) catalog, meaning it has been confirmed as actively exploited in the wild. CISA requires federal agencies to patch by 2026-09-05.

What is the CVSS score for CVE-2026-83549?

CVE-2026-83549 has a CVSS v3 base score of 7.8 (HIGH severity), with vector string 3.1.

Is CVE-2026-83549 affecting your environment?

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