CVE-2017-15621 Explained : Impact and Mitigation
Learn about CVE-2017-15621 affecting TP-Link WVR, WAR, and ER devices, allowing remote authenticated administrators to execute arbitrary commands via command injection. Find mitigation steps and preventive measures.
TP-Link WVR, WAR, and ER devices are vulnerable to command injection through the olmode variable in the interface_wan.lua file, allowing remote authenticated administrators to execute arbitrary commands.
Understanding CVE-2017-15621
This CVE entry highlights a security vulnerability in TP-Link devices that can be exploited by authenticated remote attackers.
What is CVE-2017-15621?
The olmode variable in the interface_wan.lua file of TP-Link WVR, WAR, and ER devices enables remote authenticated administrators to execute arbitrary commands through command injection.
The Impact of CVE-2017-15621
This vulnerability allows attackers to run unauthorized commands on affected devices, potentially leading to unauthorized access, data theft, or system compromise.
Technical Details of CVE-2017-15621
This section provides more in-depth technical information about the vulnerability.
Vulnerability Description
The olmode variable in the interface_wan.lua file of TP-Link WVR, WAR, and ER devices allows remote authenticated administrators to execute arbitrary commands via command injection.
Affected Systems and Versions
- Product: TP-Link WVR, WAR, and ER devices
- Version: Not applicable
Exploitation Mechanism
Attackers with authenticated access can manipulate the olmode variable to inject and execute malicious commands on the affected devices.
Mitigation and Prevention
Protecting systems from CVE-2017-15621 requires immediate actions and long-term security practices.
Immediate Steps to Take
- Apply vendor-supplied patches or updates to fix the vulnerability.
- Monitor network traffic for any suspicious activities.
- Restrict access to vulnerable devices to authorized personnel only.
Long-Term Security Practices
- Regularly update and patch all software and firmware on network devices.
- Conduct security audits and penetration testing to identify and address vulnerabilities proactively.
Patching and Updates
- Check for security advisories from TP-Link and apply patches promptly to mitigate the risk of exploitation.