CVE-2026-82174 in PowerStore 500T
Summary
by MITRE • 11/13/2026
Dell PowerStore contains a content-injection vulnerability. An unauthenticated attacker could exploit this vulnerability to display misleading text on the genuine login page for phishing.
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Analysis
by VulDB Data Team • 11/13/2026
The identified vulnerability in Dell PowerStore represents a critical security flaw classified as a Content Injection weakness, specifically falling under CWE-79 which covers Improper Neutralization of Input During Web Page Generation commonly known as Cross-Site Scripting or reflected content manipulation. This architectural deficiency allows an unauthenticated actor to inject malicious text strings into the application's response stream before it is rendered by the client browser. The core technical flaw lies in the insufficient validation and sanitization of user-supplied input within specific endpoints that generate dynamic login page components. By exploiting this lack of neutralization, an attacker can manipulate the visual presentation of the interface without necessarily executing arbitrary code or gaining direct system access through traditional script injection vectors.
The operational impact of this vulnerability is primarily centered around social engineering and phishing campaigns rather than immediate data exfiltration or remote code execution. Because the injected content appears directly on the genuine login page, it creates a high-fidelity deception environment for potential victims. An attacker can display misleading text that mimics legitimate system alerts, password reset instructions, or security warnings designed to coerce users into revealing their credentials voluntarily. This technique bypasses many traditional perimeter defenses because the malicious payload is embedded within trusted content from Dell PowerStore itself, thereby eroding user trust in the authentication interface and facilitating credential harvesting attacks against administrators and authorized personnel who interact with the storage array management console.
From a threat intelligence perspective, this vulnerability aligns closely with ATT&CK technique T1566 which encompasses Phishing specifically targeting login credentials through spearphishing attachment or lure variants that leverage trusted domains to increase success rates. The exploitation does not require authentication privileges, making it accessible to low-privilege actors and automated scanning tools capable of identifying misconfigured web applications. The persistence of this risk is significant as long as the underlying input handling logic remains unpatched, allowing for repeated attempts against different users or integration into broader phishing infrastructure where multiple instances can be targeted simultaneously to maximize credential theft volume.
Mitigation strategies must prioritize immediate patching through official Dell firmware updates that address the specific code paths responsible for rendering login page content with proper output encoding and input validation mechanisms. In addition to software remediation, organizations should implement strict network segmentation policies to restrict access to management interfaces from untrusted networks or public internet segments where possible. Security awareness training is also essential to educate administrators about verifying URL authenticity and looking for subtle discrepancies in interface elements even when the domain appears correct. Furthermore, deploying Web Application Firewalls with rulesets tuned to detect content injection patterns can provide an additional layer of defense by blocking requests that attempt to inject suspicious text strings into response bodies before they reach the application logic.