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CVE-2025-48816: Integer Overflow Vulnerability in HID Class Driver Leading to Local Privilege Escalation

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Overview

CVE-2025-48816 is a critical security vulnerability that could potentially compromise system integrity and lead to data leakage. This vulnerability resides in the HID class driver and can enable an authorized attacker to escalate privileges locally due to an integer overflow or wraparound condition. This vulnerability poses a significant risk to systems that use the affected HID class drivers. Given the severity of this vulnerability, it is of utmost importance to organizations and security administrators to understand the nature of this flaw and take immediate steps towards mitigation.

Vulnerability Summary

CVE ID: CVE-2025-48816
Severity: High (CVSS: 7.8)
Attack Vector: Local
Privileges Required: Low
User Interaction: Required
Impact: Potential system compromise or data leakage

Affected Products

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Product | Affected Versions

HID Class Driver | All versions prior to 2.5.1

How the Exploit Works

The vulnerability is the result of an integer overflow or wraparound condition in the HID class driver. When the driver processes certain types of data, it can overflow its intended boundary and overwrite adjacent memory locations. This can allow an attacker to manipulate data structures and inject malicious code, which can ultimately lead to unauthorized privilege escalation on the local system.

Conceptual Example Code

The following conceptual example demonstrates an adversarial scenario where an attacker might exploit this vulnerability. This is a simplified representation and actual exploit code may vary.

# The attacker gains access to the system with low-level privileges
$ whoami
low_priv_user
# The attacker uses the exploit to trigger an integer overflow in the HID class driver
$ ./exploit_CVE-2025-48816
# If the exploit is successful, the attacker's privileges are escalated
$ whoami
root

Please note that the above code block is a conceptual example and is not intended to be an actual exploit.

Recommended Mitigation

The most effective mitigation for the CVE-2025-48816 vulnerability is to apply the vendor’s patch. If the patch cannot be applied immediately, using a Web Application Firewall (WAF) or Intrusion Detection System (IDS) can provide temporary protection by detecting and blocking attempts to exploit this vulnerability. However, these are only temporary solutions and the patch should be applied as soon as possible to ensure the highest level of security.

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Disclaimer:

The information and code presented in this article are provided for educational and defensive cybersecurity purposes only. Any conceptual or pseudocode examples are simplified representations intended to raise awareness and promote secure development and system configuration practices.

Do not use this information to attempt unauthorized access or exploit vulnerabilities on systems that you do not own or have explicit permission to test.

Ameeba and its authors do not endorse or condone malicious behavior and are not responsible for misuse of the content. Always follow ethical hacking guidelines, responsible disclosure practices, and local laws.

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