CVE-2026-81455
Received Received - Intake

Missing Authentication for Critical Function in Dell ThinOS

Publication date: 2026-09-24

Last updated on: 2026-09-24

Assigner: Dell

Description
Dell ThinOS 10, versions prior to SecurityAddon_2605.10.2766_T10, contain a Missing Authentication for Critical Function vulnerability. An unauthenticated attacker with remote access could potentially exploit this vulnerability, leading to Unauthorized access.

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Meta Information

Published
2026-09-24
Last Modified
2026-09-24
Generated
2026-10-15
AI Q&A
2026-09-24
EPSS Evaluated
2026-10-13
NVD
CVE-2026-81455
EUVD
EUVD-2026-86397

Affected Vendors & Products

Showing 1 associated CPE
Vendor Product Version / Range
dell thin_os to 2605.10.2766 (exc)

Helpful Resources

Exploitability

CWE
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KEV
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CWE ID Description
CWE-306 The product does not perform any authentication for functionality that requires a provable user identity or consumes a significant amount of resources.

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Executive Summary

Dell ThinOS 10 versions before SecurityAddon_2605.10.2766_T10 have a Missing Authentication for Critical Function vulnerability. This means an attacker without credentials can remotely access the system and exploit this flaw to gain unauthorized access.

Detection Guidance

To detect this vulnerability, scan your network for Dell ThinOS devices running versions prior to SecurityAddon_2605.10.2766_T10. Check device firmware versions and verify if they are exposed to remote access without authentication. Use network scanning tools like Nmap to identify ThinOS devices and their versions.

Impact Analysis

An attacker could exploit this to access sensitive data, modify system settings, or perform unauthorized actions on the ThinOS device. This may lead to data breaches or system compromise.

Compliance Impact

This vulnerability could lead to unauthorized access to personal or sensitive data, violating GDPR and HIPAA requirements for data protection and access controls. Organizations may face compliance penalties and reputational damage.

Mitigation Strategies

Update Dell ThinOS to version SecurityAddon_2605.10.2766_T10 or later to address the Missing Authentication for Critical Function vulnerability.

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