CVE-2026-110541 in PowerProtect Data Domain
Summary
by MITRE • 10/28/2026
Dell PowerProtect Data Domain, Feature Release versions 7.7.1.0 through 8.8, LTS2024 release versions 7.13.1.0 through 7.13.1.80, LTS2025 release versions 8.3.1.0 through 8.3.1.40, LTS2026 release versions 8.6.1.0 through 8.6.1.20, contain an Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection') vulnerability. A high privileged attacker with remote access could potentially exploit this vulnerability, leading to command execution.
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Analysis
by VulDB Data Team • 10/28/2026
The identified security flaw resides within Dell PowerProtect Data Domain systems across multiple software release tracks, specifically affecting Feature Release versions 7.7.1.0 through 8.8, LTS2024 releases from 7.13.1.0 to 7.13.1.80, LTS2025 releases ranging from 8.3.1.0 to 8.3.1.40, and LTS2026 versions spanning 8.6.1.0 to 8.6.1.20. This vulnerability is classified as an Improper Neutralization of Special Elements used in an OS Command, commonly known as OS Command Injection. The core technical deficiency involves the application's failure to adequately sanitize or validate user-supplied input before incorporating it into operating system commands executed by the backend infrastructure. When specific parameters are processed without rigorous filtering for special characters such as semicolons, pipes, ampersands, or backticks, an attacker can inject malicious command sequences that alter the intended logic of the system operation.
The operational impact of this vulnerability is severe due to the privilege level required and the nature of the resulting execution vector. Exploitation requires a high-privileged attacker with remote access capabilities, which typically implies valid administrative credentials or a compromised account within the management interface. Once authenticated at this elevated tier, an adversary can leverage the injection point to execute arbitrary commands on the underlying operating system with the privileges associated with the vulnerable service process. This capability effectively grants full control over the host environment, allowing for data exfiltration, modification of critical configuration files, installation of persistent backdoors, or lateral movement within the network infrastructure protected by the Data Domain appliance.
From a classification perspective, this issue aligns directly with CWE-78, which defines Improper Neutralization of Special Elements used in an OS Command. The attack vector is categorized under ATT&CK technique T1059, specifically sub-technique 004 for Command and Scripting Interpreter abuse. This categorization highlights the mechanism by which attackers utilize built-in system interpreters to execute malicious instructions after gaining initial access through authentication bypass or credential theft. The presence of this flaw in enterprise-grade backup appliances is particularly concerning as these systems often hold sensitive, immutable copies of organizational data, making them high-value targets for ransomware operators and state-sponsored actors seeking long-term persistence.
Mitigation strategies must prioritize immediate patching to the latest non-vulnerable version provided by Dell Technologies, ensuring that all affected release tracks are updated according to official security advisories. In environments where immediate patching is not feasible due to operational constraints or compatibility testing requirements, network segmentation should be enforced to restrict remote administrative access strictly to trusted management networks with multi-factor authentication enabled. Additionally, implementing strict input validation rules at the application layer and employing web application firewalls configured to detect command injection patterns can provide a temporary defensive layer against exploitation attempts until the underlying code is remediated.