Description
A vulnerability, which was classified as critical, was found in D-Link DAP-1620 1.03. This affects the function check_dws_cookie of the file /storage of the component Cookie Handler. The manipulation leads to stack-based buffer overflow. It is possible to initiate the attack remotely. The exploit has been disclosed to the public and may be used. This vulnerability only affects products that are no longer supported by the maintainer.
EPSS Score:
0%
Comprehensive Technical Analysis of EUVD-2025-7275
1. Vulnerability Assessment and Severity Evaluation
The vulnerability EUVD-2025-7275, also known as CVE-2025-2619, is classified as critical with a CVSS base score of 9.3. This high score indicates a severe vulnerability that poses significant risk. The vulnerability affects the check_dws_cookie function in the /storage file of the Cookie Handler component in D-Link DAP-1620 version 1.03. The issue is a stack-based buffer overflow, which can be exploited remotely without requiring any user interaction or special privileges. The public disclosure of the exploit further exacerbates the risk, as malicious actors can readily leverage this information.
2. Potential Attack Vectors and Exploitation Methods
The primary attack vector for this vulnerability is remote exploitation. An attacker can send specially crafted packets to the affected device, causing a stack-based buffer overflow in the check_dws_cookie function. This can lead to arbitrary code execution, allowing the attacker to gain control over the device. Potential exploitation methods include:
- Remote Code Execution (RCE): By overflowing the buffer, an attacker can inject malicious code that gets executed with the privileges of the affected process.
- Denial of Service (DoS): The buffer overflow can also cause the device to crash, leading to a denial of service.
- Data Exfiltration: Once control is gained, the attacker can exfiltrate sensitive data stored on the device.
3. Affected Systems and Software Versions
The vulnerability specifically affects D-Link DAP-1620 devices running firmware version 1.03. It is important to note that this version is no longer supported by the manufacturer, which means that official patches or updates are unlikely to be provided.
4. Recommended Mitigation Strategies
Given that the affected firmware version is no longer supported, the following mitigation strategies are recommended:
- Upgrade to Supported Versions: If possible, upgrade to a supported version of the firmware. If an upgrade path is not available, consider replacing the device with a supported model.
- Network Segmentation: Isolate the affected devices on a separate network segment to limit the potential impact of an exploit.
- Firewall Rules: Implement strict firewall rules to restrict access to the device, allowing only trusted IP addresses.
- Intrusion Detection Systems (IDS): Deploy IDS to monitor for suspicious activity that may indicate an attempted exploit.
- Regular Monitoring: Conduct regular security audits and monitoring to detect any unusual behavior that may indicate a compromise.
5. Impact on European Cybersecurity Landscape
The presence of this vulnerability in a widely used device like the D-Link DAP-1620 poses a significant risk to the European cybersecurity landscape. Unsupported devices are particularly vulnerable to exploitation, and the public disclosure of the exploit increases the likelihood of widespread attacks. Organizations and individuals using these devices are at risk of data breaches, service disruptions, and potential entry points for further network infiltration.
6. Technical Details for Security Professionals
- Vulnerability Type: Stack-based buffer overflow
- Affected Function:
check_dws_cookie - Affected File:
/storage - Component: Cookie Handler
- Exploitability: Remote, no user interaction required
- CVSS Score: 9.3 (CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N)
- References:
Conclusion
EUVD-2025-7275 represents a critical vulnerability that requires immediate attention from organizations and individuals using the affected D-Link DAP-1620 devices. Due to the lack of support for the affected firmware version, mitigation strategies should focus on upgrading to supported versions, implementing robust network security measures, and conducting regular monitoring and audits. The European cybersecurity community should be vigilant about this vulnerability to prevent potential large-scale exploitation.