CVE-2026-83548

Published Sep 1, 2026

Last updated 2 months ago

Exploit known CVSS critical 10.0

Sonicwall

VPN

SMA1000 Appliance

Overview

AI description

Automated description summarized from trusted sources.

CVE-2026-83548 is identified as a pre-authentication Server-Side Request Forgery (SSRF) vulnerability present in the SonicWall SMA1000 Appliance WorkPlace interface. This flaw stems from an unintended alternate access path, which causes the appliance to function as an unintended forward proxy. Exploitation of this vulnerability allows a remote and unauthenticated attacker to gain unauthorized access to sensitive functionalities and execute unauthorized operations. This vulnerability is often discussed alongside CVE-2026-83549, a post-authentication operating system command injection vulnerability, as threat actors have been observed chaining these two flaws in attacks.

Description: 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.
Source: PSIRT@sonicwall.com
NVD status: Analyzed
Products: sma8200v, sma6210_firmware, sma7210_firmware

Risk scores

CVSS 3.1

Type: Secondary
Base score: 10
Impact score: 6
Exploitability score: 3.9
Vector string: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
Severity: CRITICAL

Known exploits

Data from CISA

Vulnerability name: SonicWall SMA1000 Appliances Server-Side Request Forgery Vulnerability
Exploit added on: Sep 2, 2026
Exploit action due: Sep 5, 2026
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.

Weaknesses

PSIRT@sonicwall.com: CWE-441

Hype score: Not currently trending

Configurations

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References

Sources include official advisories and independent security research.