Executive Summary

CVE-2026-8076 is a critical vulnerability in the CashDro 3 web administration panel, version 24.01.00.26. The system allows the use of numeric PINs for user authentication to maintain compatibility with older POS software. This weak credential design enables attackers to perform brute-force attacks easily because the account does not lock after multiple failed attempts.

Successful exploitation of this vulnerability could allow an attacker to gain unauthorized access to sensitive configuration settings, compromising the security of the entire system.

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Impact Analysis

This vulnerability can lead to unauthorized access to confidential configuration settings of the CashDro 3 system. An attacker could exploit the weak numeric PIN authentication and lack of account lockout to perform brute-force attacks and gain control over the system.

Such unauthorized access compromises the security and integrity of the system, potentially leading to further exploitation or manipulation of the POS environment.

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Detection Guidance

This vulnerability involves weak numeric PIN credentials in the CashDro 3 web administration panel version 24.01.00.26, which allows brute-force attacks without account lockout.

To detect this vulnerability on your system, you should verify the version of the CashDro 3 web administration panel in use and check if it supports only numeric PINs for authentication.

Since the vulnerability is related to authentication via numeric PINs and lack of account lockout, you can attempt to perform controlled brute-force login attempts to see if the system locks accounts or not.

Specific commands are not provided in the resources, but general approaches include:

• Use network scanning tools (e.g., nmap) to identify the CashDro 3 web administration panel service.
• Check the version of the software via HTTP headers or login page information.
• Attempt to authenticate using numeric PINs and observe if the system locks the account after multiple failed attempts.

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Mitigation Strategies

The immediate mitigation step is to upgrade the CashDro 3 web administration panel to version 26.01.00.16 or later, which addresses the vulnerability by supporting alphanumeric PINs and removing the weak numeric PIN authentication.

Additionally, restrict access to the web administration panel to trusted networks and users to reduce the risk of brute-force attacks.

Monitor login attempts for suspicious activity and consider implementing additional network-level protections such as firewalls or intrusion detection systems.

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Compliance Impact

The vulnerability allows unauthorized access to confidential configuration settings due to weak numeric PIN authentication and lack of account lockout mechanisms. This unauthorized access could lead to exposure or compromise of sensitive data, which may result in non-compliance with common standards and regulations such as GDPR and HIPAA that require protection of sensitive information and implementation of strong access controls.

Since the system permits brute-force attacks without locking accounts, it fails to enforce adequate security controls, potentially violating regulatory requirements for safeguarding personal and sensitive data.

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