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CVE-2026-83548: SonicWall SMA1000 Appliances Server-Side Request Forgery Vulnerability

SonicWall SMA1000 Appliances · in CISA KEV since 2026-09-02

2026-09-02added to KEV

2026-09-05federal remediation due date

4.67%EPSS exploit probability (30 days) 91.4th percentile

10 CRITICALCVSS 3.1

Unknownknown ransomware use

1days from NVD publication to KEV

What it is

SonicWall SMA1000 Appliances contains a server-side request forgery vulnerability that could allow a remote unauthenticated attacker to gain unauthorized access to sensitive functionality and perform unauthorized operations.

Required action (CISA)

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.

CWE	CWE-918;CWE-441
CVSS vector	`CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H`
NVD published	2026-09-01 (Analyzed)

Original records: NVD · CISA KEV · JSON: /api/cve/CVE-2026-83548.json · all KEV CVEs

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