Horizon Alert
Summary of the vulnerability and why it matters
A path traversal vulnerability exists in the HTTP POST Request Handler component of D-Link DIR-859 routers. This flaw allows unauthorized access to sensitive system files. The impact could include the leakage of session data, potentially leading to privilege escalation and unauthorized control of the affected devices. This vulnerability affects legacy D-Link products that are no longer supported by the vendor.
- Vulnerable HTTP POST Request Handler.
- Path traversal allows file access.
- Potential for unauthorized control.
Attack Path
How an attacker could exploit the issue
A vulnerability has been identified in a D-Link router that allows for path traversal. This occurs when an attacker manipulates a specific argument within an HTTP POST request. Successful exploitation could lead to unauthorized access and control over the affected device. Organizations utilizing these products should consider the implications for their network security and data integrity. This vulnerability impacts products that are no longer supported by the vendor.
- Unprotected network service exposure.
- Attacker sends malicious request.
- Gains unauthorized system control.
Live Threat
Current exploitation, exposure, and threat context
This vulnerability could allow attackers to access sensitive system files remotely. The attack targets a specific function within the router's web interface. Organizations using the affected device face significant business risk due to potential unauthorized access and control.
- Attackers with basic skills can exploit it.
- No special access or conditions are needed.
- High business risk due to remote exploitation.
Priority actions
Operational Fix
Recommended remediation, mitigation, and detection steps
This critical vulnerability in D-Link DIR-859 routers allows remote attackers to traverse directories and potentially access sensitive data. The product is end-of-life and no longer supported by the vendor, indicating it should be retired and replaced. Organizations with this device should prioritize its removal from the network.
- Identify exposed D-Link DIR-859 devices.
- Retire and replace affected devices.
- Monitor network for related malicious activity.
