CVE-2026-61409 in Secure Connect Gateway
Summary
by MITRE • 09/07/2026
Dell Secure Connect Gateway (SCG) 5.0 Application, versions prior to 5.36.00.00, contains an Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection') vulnerability. An unauthenticated attacker with remote access could potentially exploit this vulnerability, leading to remote execution.
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Analysis
by VulDB Data Team • 09/07/2026
The Dell Secure Connect Gateway version 5.36.00.00 and earlier releases contain a critical security flaw classified as Improper Neutralization of Special Elements used in an OS Command, commonly known as Operating System Command Injection. This vulnerability is identified under the Common Weakness Enumeration standard as CWE-78. The core technical issue stems from insufficient validation or sanitization of user-supplied input within specific application functions that subsequently pass this data to underlying operating system commands for execution. When a request reaches the vulnerable endpoint, the gateway fails to adequately strip or escape special characters such as semicolons, ampersands, pipes, and backticks that are interpreted by the shell environment. This lack of rigorous input filtering allows an attacker to inject arbitrary command sequences into the intended operation, effectively hijacking the execution context of the application.
The operational impact of this vulnerability is severe due to its potential for Remote Code Execution with no prior authentication required. An unauthenticated remote attacker can leverage network connectivity to send specially crafted requests that exploit the input handling deficiency. By injecting malicious payloads, the attacker gains the ability to execute arbitrary commands on the host system running the Dell Secure Connect Gateway service. Depending on the privileges under which the gateway application operates, this could result in complete compromise of the underlying operating system. The attacker may escalate privileges, install backdoors, exfiltrate sensitive data traversing through the secure connection gateway, or use the compromised device as a pivot point to attack other systems within the internal network infrastructure.
This type of vulnerability aligns with specific tactics and techniques documented in the MITRE ATT&CK framework, particularly those related to Command and Scripting Interpreter abuse. Attackers often utilize this method during initial access or privilege escalation phases to maintain persistence or achieve lateral movement. The absence of authentication requirements significantly lowers the barrier for exploitation, making it a high-risk target for automated scanning tools and opportunistic attackers seeking quick wins against internet-facing infrastructure components that have not been patched.
To mitigate this risk, organizations must immediately apply the vendor-released patch updating Dell Secure Connect Gateway to version 5.36.00.00 or later where these input validation mechanisms have been corrected. Until patches are applied, network-level controls should be implemented to restrict access to the management interfaces of affected devices strictly from trusted IP addresses using firewalls or Access Control Lists. Additionally, deploying Web Application Firewalls with rules specifically designed to detect and block OS command injection patterns can provide a layer of defense in depth by intercepting malicious payloads before they reach the vulnerable application logic. Regular vulnerability assessments and penetration testing should be conducted to ensure that similar input handling flaws do not exist elsewhere within the gateway configuration or associated management interfaces.