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Luu, T.J.

🔥 This vulnerability is being actively exploited in the wild (CISA Known Exploited Vulnerabilities catalog)

CVE-2026-83549: SonicWall SMA1000 Appliances OS Command Injection Vulnerability

infovulnerability🔥 Actively Exploited

security

Source: CISA Known Exploited VulnerabilitiesSeptember 1, 2026CVE-2026-83549

Summary

SonicWall SMA1000 Appliances contain an OS command injection vulnerability (a flaw that lets attackers run unauthorized commands on a system) that allows a logged-in administrator to execute arbitrary commands and gain remote code execution (the ability to run code on a system they don't own). This vulnerability is actively being exploited by attackers in real-world attacks.

Solution / Mitigation

Apply mitigations in accordance with vendor instructions from SonicWall's security advisory (https://psirt.global.sonicwall.com/vuln-detail/SNWLID-2026-0016), following CISA's BOD 26-04 patching guidelines. If mitigations are unavailable, stakeholders should discontinue use of the product. The patch deadline is September 5, 2026.

Vulnerability Details

EPSS (30-day exploit probability)

EPSS: 0.9%

Patch Available

Yes

Exploit Maturity

🔥 Actively Exploited

Disclosure Date

September 1, 2026

Classification

Attack SophisticationModerate

Taxonomy References

CWE (Weakness Type)

CWE-78

CAPEC (Attack Pattern)

CAPEC-88

Monthly digest — independent AI security research

Original source: https://nvd.nist.gov/vuln/detail/CVE-2026-83549

First tracked: September 2, 2026 at 02:00 PM

Classified by LLM (prompt v3) · confidence: 95%