SonicWall · SMA1000 Appliances
CVE-2026-83548
SonicWall SMA1000 Appliances Server-Side Request Forgery Vulnerability
What it is
A Pre-authentication SSRF vulnerability exists in the SMA1000 Appliance Work Place interface due to an unintended alternate access path. A remote unauthenticated attacker could potentially exploit this vulnerability to gain unauthorized access to sensitive functionality and perform unauthorized operations.
CISA: 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 to do
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.
Deadline for US federal agencies: September 5, 2026
More exploited flaws from SonicWall
| Added | Vulnerability | Product | Severity | Attack chance |
|---|---|---|---|---|
| Sep 2, 2026 | OS Command Injection | SMA1000 Appliances | High 7.8 | 9.9% |
| Jul 14, 2026 | Server-Side Request Forgery | SMA1000 Appliances | Critical 10.0 | 6.8% |
| Jul 14, 2026 | Code Injection | SMA1000 Appliances | High 7.2 | 12% |
| Jan 24, 2025 | Deserialization | SMA1000 Appliances | Critical 9.8 | 23% |
| Dec 17, 2025 | SMA1000 Missing Authorization | SMA1000 appliance | Medium 6.6 | 2.8% |
| May 1, 2025 | OS Command Injection | SMA100 Appliances | High 7.2 | 76% |
| Apr 16, 2025 | OS Command Injection | SMA100 Appliances | Medium 6.5 | 4.4% |
| Feb 18, 2025 | SSLVPN Improper Authentication | SonicOS | High 8.2 | 95% |
Sources: Known Exploited Vulnerabilities (CISA, public domain), CVE records (cve.org) and EPSS (FIRST). The chance of attacks is the EPSS estimate that someone will try to exploit the flaw in the next 30 days.