EUVD-2025-204696

Comprehensive Technical Analysis of EUVD-2025-204696

1. Vulnerability Assessment and Severity Evaluation

The vulnerability described in EUVD-2025-204696 is a stack-based buffer overflow in Sharp Display Solutions projectors. This type of vulnerability allows an attacker to execute arbitrary commands and programs, potentially leading to full system compromise. The CVSS (Common Vulnerability Scoring System) base score of 9.2 indicates a critical severity level. The vector string CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N breaks down as follows:

• AV:N (Attack Vector: Network): The vulnerability is exploitable remotely over the network.
• AC:L (Attack Complexity: Low): The attack requires minimal skill or resources.
• AT:P (Attack Technique: Physical): The attack requires physical access to the device.
• PR:N (Privileges Required: None): No privileges are required to exploit the vulnerability.
• UI:N (User Interaction: None): No user interaction is required.
• VC:H (Vulnerability Confidentiality: High): The vulnerability has a high impact on confidentiality.
• VI:H (Vulnerability Integrity: High): The vulnerability has a high impact on integrity.
• VA:H (Vulnerability Availability: High): The vulnerability has a high impact on availability.
• SC:N (Scope Change: None): The vulnerability does not change the security scope.
• SI:N (Scope Integrity: None): The vulnerability does not affect the integrity of the security scope.
• SA:N (Scope Availability: None): The vulnerability does not affect the availability of the security scope.

2. Potential Attack Vectors and Exploitation Methods

Given the nature of the vulnerability, potential attack vectors include:

• Network-Based Attacks: An attacker could exploit the vulnerability over the network, potentially through malicious network packets or commands sent to the projector.
• Physical Access: Since the attack technique is physical, an attacker with physical access to the projector could exploit the vulnerability by connecting directly to the device.
• Malicious Software: An attacker could use specially crafted software or scripts to trigger the buffer overflow and execute arbitrary commands.

3. Affected Systems and Software Versions

The vulnerability affects a wide range of Sharp Display Solutions projectors, including but not limited to:

• NP-P502HL-2, NP-P502WL-2, NP-P502HLG-2, NP-P502WLG, NP-P502H, NP-P502W, NP-P452H, NP-P452W, NP-P502HG, NP-P502WG, NP-P452HG, NP-P452WG, NP-P502H+, NP-P502W+, NP-CR5450H, NP-CR5450W, NP-P502HL, NP-P502WL, NP-P502HLG, NP-P502WLG, NP-P502HL+, NP-P502WL+, NP-CR5450HL, NP-CR5450WL, NP-UM352W, NP-UM352WG, NP-UM352W+

All versions of the affected models are vulnerable.

4. Recommended Mitigation Strategies

To mitigate the risk associated with this vulnerability, the following strategies are recommended:

• Firmware Update: Ensure that all affected projectors are updated to the latest firmware version provided by Sharp Display Solutions.
• Network Segmentation: Isolate projectors on a separate network segment to limit exposure to potential network-based attacks.
• Access Control: Implement strict access controls to prevent unauthorized physical access to the projectors.
• Monitoring and Logging: Enable logging and monitoring to detect any suspicious activity or unauthorized access attempts.
• Security Patches: Regularly apply security patches and updates from the vendor.

5. Impact on European Cybersecurity Landscape

The vulnerability poses a significant risk to organizations and institutions within the European Union that utilize Sharp Display Solutions projectors. Given the critical nature of the vulnerability, it could be exploited to disrupt operations, steal sensitive information, or compromise the integrity of affected systems. The widespread use of these projectors in educational institutions, corporate environments, and government agencies amplifies the potential impact.

6. Technical Details for Security Professionals

• Vulnerability Type: Stack-based Buffer Overflow
• Exploitation: The vulnerability can be exploited by sending specially crafted data to the projector, causing a buffer overflow and allowing arbitrary code execution.
• Detection: Security professionals should look for unusual network traffic directed at the projectors, as well as any unauthorized physical access attempts.
• Response: In the event of an exploitation attempt, immediate isolation of the affected projector and forensic analysis should be conducted to determine the extent of the compromise.
• Prevention: Implementing a robust security framework that includes regular updates, network segmentation, and access controls can significantly reduce the risk of exploitation.

Conclusion

The stack-based buffer overflow vulnerability in Sharp Display Solutions projectors (EUVD-2025-204696) is a critical issue that requires immediate attention. Organizations should prioritize firmware updates, network segmentation, and strict access controls to mitigate the risk. Continuous monitoring and prompt response to any suspicious activity are essential to maintain the security and integrity of affected systems.

For further details, refer to the official references provided:

• Sharp Display Solutions Support
• NVD CVE-2025-11541