Login Bypass Vulnerability in NetAlertX Network Scanner by Jokob

CVE-2025-48952

What is CVE-2025-48952?

CVE-2025-48952 is a security vulnerability identified in the NetAlertX Network Scanner, a tool designed by Jokob-sk for scanning network presence and providing alert functionalities. This vulnerability centers around a flaw in the authentication logic of the application, which enables unauthorized access through a login bypass mechanism. Specifically, before version 25.6.7, the application improperly compares passwords using a loose equality operator in PHP, allowing attackers to exploit specially crafted "magic hash" values. These values can unintentionally evaluate to true due to the way loose comparisons handle numeric strings in PHP, particularly those formatted in scientific notation. This could pose significant risks to organizations using the software, as it opens the door for unauthorized users to gain access to network resources.

Potential impact of CVE-2025-48952

1. Unauthorized Access: The primary concern surrounding CVE-2025-48952 is the risk of unauthorized access to sensitive network resources. Attackers could potentially compromise systems by bypassing authentication processes, leading to data breaches and exposure of confidential information.

2. Operational Disruptions: With unauthorized users able to infiltrate network services, there is a heightened risk of operational disruptions. Attackers might manipulate or disable essential services, which can lead to significant downtime and a detrimental impact on business operations.

3. Increased Threat Landscape: The existence of this vulnerability expands the threat landscape for organizations using NetAlertX, as it could serve as a gateway for further malicious activities. Unauthorized access could potentially lead to the installation of malware, data exfiltration, and the establishment of footholds for future attacks within the network.

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News Articles

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CVE-2025-48952

CVE-2025-48952 | jokob-sk NetAlertX up to 25.6.6 front/index.php comparison (GHSA-4p4p-vq2v-9489 / EUVD-2025-20092)

A vulnerability, which was classified as critical, was found in jokob-sk NetAlertX up to 25.6.6. Affected is an unknown function of the file front/index.php. The manipulation leads to incorrect co…

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