Actively exploited
Listed in CISA’s Known Exploited Vulnerabilities catalog since September 2, 2026.
CVE-2026-83548
SonicWall SMA1000 Appliances Server-Side Request Forgery Vulnerability
SonicWall · SMA1000 Appliances
Added to KEV September 2, 2026
Alert details
- Source feed
- CISA KEV
- CVE ID
- CVE-2026-83548
- CWE
- CWE-918CWE-441
- Affected products
- SMA1000 Appliances · SonicWall SMA1000 Appliances · SonicWall
What happened
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.
What it means for your business
SonicWall SMA1000 Appliances is listed in CISA's Known Exploited Vulnerabilities catalog (CVE-2026-83548). 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. CISA remediation due date: 2026-09-05. If you need help checking exposure, call (864) 335-9223.
Required action
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.
CISA due date: September 5, 2026
Sources
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