CVE-2017-15636 Explained : Impact and Mitigation
Learn about CVE-2017-15636 affecting TP-Link WVR, WAR, and ER devices, allowing remote authenticated administrators to execute arbitrary commands via command injection.
This CVE involves TP-Link WVR, WAR, and ER devices that allow remote authenticated administrators to execute arbitrary commands through command injection in the webfilter.lua file.
Understanding CVE-2017-15636
This CVE was published on January 11, 2018, and affects TP-Link devices due to a command injection vulnerability.
What is CVE-2017-15636?
The TP-Link WVR, WAR, and ER devices are susceptible to remote authenticated administrators running arbitrary commands by exploiting a command injection in the webfilter.lua file's new-time variable.
The Impact of CVE-2017-15636
This vulnerability allows attackers to execute unauthorized commands on affected devices, potentially leading to unauthorized access and control.
Technical Details of CVE-2017-15636
This section provides more in-depth technical insights into the vulnerability.
Vulnerability Description
The vulnerability in TP-Link devices enables remote authenticated administrators to execute arbitrary commands via command injection in the new-time variable within the webfilter.lua file.
Affected Systems and Versions
- Affected systems: TP-Link WVR, WAR, and ER devices
- Versions: All versions are affected
Exploitation Mechanism
The vulnerability is exploited by injecting malicious commands into the new-time variable in the webfilter.lua file, allowing attackers to execute unauthorized commands.
Mitigation and Prevention
To address and prevent the exploitation of CVE-2017-15636, follow these mitigation strategies:
Immediate Steps to Take
- Disable remote access to the affected devices if not required
- Implement strong authentication mechanisms for remote access
- Regularly monitor and audit device logs for any suspicious activities
Long-Term Security Practices
- Conduct regular security assessments and penetration testing on the devices
- Keep devices up to date with the latest firmware and security patches
Patching and Updates
- Apply security patches provided by TP-Link to fix the command injection vulnerability in the webfilter.lua file