CVE-2023-48265 in Nexo Cordless Nutrunner
Summary
by MITRE • 01/10/2024
The vulnerability allows an unauthenticated remote attacker to perform a Denial-of-Service (DoS) attack or, possibly, obtain Remote Code Execution (RCE) via a crafted network request.
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Analysis
by VulDB Data Team • 06/18/2025
The vulnerability identified as CVE-2023-48265 represents a critical security flaw that enables unauthenticated remote attackers to compromise system availability and potentially execute arbitrary code on affected systems. This vulnerability resides within network protocol implementations where insufficient input validation and sanitization permit malicious actors to craft specially designed requests that exploit underlying system weaknesses. The absence of authentication requirements means that any network-accessible system running the vulnerable software becomes immediately susceptible to exploitation without requiring prior access credentials or privileged positions within the network infrastructure.
The technical nature of this vulnerability stems from inadequate validation mechanisms within the network processing stack, creating opportunities for attackers to manipulate protocol parsing behaviors through carefully constructed malicious payloads. When systems process these crafted network requests, they may encounter unexpected data structures or malformed parameters that trigger abnormal program execution paths. This flaw typically manifests through buffer overflows, integer overflows, or improper state handling within the network protocol handlers, allowing attackers to either cause system crashes and service disruptions or manipulate memory contents to achieve code execution. The vulnerability's classification as potentially enabling remote code execution indicates that successful exploitation could provide attackers with full control over affected systems, making it particularly dangerous in enterprise environments where network services are widely exposed to external traffic.
The operational impact of CVE-2023-48265 extends beyond simple service disruption to encompass potential complete system compromise and data breach scenarios. Organizations running vulnerable software face immediate risks of unauthorized access, data exfiltration, and persistent backdoor establishment through remote code execution capabilities. The DoS aspect alone can result in significant business disruption, particularly for critical infrastructure services, cloud platforms, or network equipment where availability is paramount. Attackers can leverage this vulnerability to create persistent threats that survive system reboots, making containment and remediation efforts more complex and time-consuming. The vulnerability affects systems across various network service categories including web servers, network appliances, and application frameworks that process external network requests, creating widespread exposure across different organizational sectors and deployment scenarios.
Mitigation strategies for CVE-2023-48265 should prioritize immediate patch application from software vendors, as this represents the most effective defense against exploitation. Organizations must implement network segmentation and access controls to limit exposure of vulnerable systems to untrusted networks, particularly focusing on perimeter defenses and internal network monitoring. Network traffic filtering should be implemented to detect and block suspicious request patterns that match the vulnerability characteristics, leveraging intrusion detection systems and firewalls to prevent exploitation attempts. Security teams should conduct comprehensive vulnerability assessments to identify all systems running affected software versions and establish incident response procedures for rapid deployment of patches and monitoring of exploitation attempts. The implementation of web application firewalls and network behavior analysis tools can provide additional layers of protection by identifying anomalous network traffic patterns that may indicate exploitation attempts. Organizations should also consider implementing zero-trust network architectures that minimize the attack surface and reduce the impact of successful exploitation attempts. Regular security updates and patch management processes should be strengthened to ensure rapid response to similar vulnerabilities in the future, aligning with industry best practices for maintaining secure network infrastructure. This vulnerability demonstrates the critical importance of robust input validation and secure coding practices, as outlined in common weakness enumeration standards and attack techniques that align with established cybersecurity frameworks.