SSRF Vulnerability in SMA1000 Appliance Work Place Interface by SonicWall
CVE-2026-83548

10CRITICAL

Key Information:

Vendor: Sonicwall
Status: Sma1000
Vendor: CVE Published:; 1 September 2026

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📈 Score: 615👾 Exploit Exists🟡 Public PoC🦅 CISA Reported📰 News Worthy

What is CVE-2026-83548?

CVE-2026-83548 is a significant vulnerability identified in the SonicWall SMA1000 Appliance Work Place Interface, specifically characterized as a Server-Side Request Forgery (SSRF) issue. This vulnerability arises due to an unintended alternate access path that allows remote unauthenticated attackers to exploit the system. By leveraging this flaw, attackers could gain unauthorized access to sensitive parts of the system and execute illicit operations, potentially leading to severe security breaches. The SMA1000 Appliance is widely utilized for secure remote access to corporate networks, making its integrity crucial for organizations relying on it for secure connectivity and data protection. The implications of this vulnerability can lead to unauthorized information access, unauthorized actions within the environment, and compromise the overall security posture of affected organizations.

Potential impact of CVE-2026-83548

Unauthorized Access to Sensitive Functionality: Attackers can exploit this vulnerability to access critical system functionalities without authentication, undermining the security barriers typically in place for safeguarding sensitive data and operations.
Risk of Data Breaches: By gaining unauthorized access, attackers may potentially exfiltrate confidential information, leading to significant data breaches that could expose sensitive organizational information to malicious entities.
Execution of Malicious Operations: The SSRF vulnerability enables attackers to perform unauthorized operations within the system, which could result in various disruptive actions such as data manipulation, system configurations changes, or even deploying further attacks against interconnected systems.

CISA has reported CVE-2026-83548

CISA provides regional cyber and physical services to support security and resilience across the United States. CISA monitor the most dangerious vulnerabilities and have identifed CVE-2026-83548 as being exploited but is not known by the CISA to be used in ransomware campaigns. This is subject to change at pace

The CISA's recommendation is: 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.

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Affected Version(s)

SMA1000 Linux 12.4.3-03453 (platform-hotfix) and older versions

SMA1000 Linux 12.5.0-02835 (platform-hotfix) and older versions

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

CVE-2026-83548-CVE-2026-83549
Created by HORKimhab