CVE-2020-15631 Explained : Impact and Mitigation
Learn about CVE-2020-15631, a critical vulnerability in D-Link DAP-1860 1.04B03_HOTFIX WiFi extenders, allowing remote code execution. Find mitigation steps and preventive measures here.
This vulnerability affects D-Link DAP-1860 1.04B03_HOTFIX WiFi extenders, allowing network-adjacent attackers to execute arbitrary code by bypassing authentication. The flaw lies in the HNAP service, enabling code execution via a user-supplied string.
Understanding CVE-2020-15631
This CVE involves a critical vulnerability in D-Link DAP-1860 1.04B03_HOTFIX WiFi extenders, potentially leading to remote code execution.
What is CVE-2020-15631?
CVE-2020-15631 is a security vulnerability that permits attackers within the network vicinity to run arbitrary code on affected D-Link DAP-1860 1.04B03_HOTFIX devices. By exploiting a flaw in the HNAP service, attackers can execute code with elevated privileges.
The Impact of CVE-2020-15631
The vulnerability poses a high risk, with a CVSS base score of 8.0 (High severity). Attackers can compromise confidentiality, integrity, and availability of the device, potentially leading to unauthorized access and control.
Technical Details of CVE-2020-15631
This section delves into the specifics of the vulnerability.
Vulnerability Description
The flaw allows attackers to execute code on the device by manipulating the SOAPAction header, bypassing authentication mechanisms.
Affected Systems and Versions
- Product: D-Link DAP-1860
- Version: 1.04B03_HOTFIX
Exploitation Mechanism
- Attack Complexity: Low
- Attack Vector: Adjacent Network
- Privileges Required: Low
- User Interaction: None
- Scope: Unchanged
- Vector String: CVSS:3.0/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Mitigation and Prevention
Protecting systems from CVE-2020-15631 is crucial to maintaining security.
Immediate Steps to Take
- Apply vendor-supplied patches promptly.
- Restrict network access to vulnerable devices.
- Monitor network traffic for suspicious activity.
Long-Term Security Practices
- Regularly update firmware and software.
- Conduct security assessments and penetration testing.
- Implement network segmentation to limit attack surfaces.
Patching and Updates
- Check for patches from D-Link to address the vulnerability.