CVE-2017-11649 : Exploit Details and Defense Strategies
Learn about CVE-2017-11649 affecting DrayTek Vigor AP910C devices. Discover the impact, technical details, and mitigation steps for this CSRF vulnerability.
DrayTek Vigor AP910C devices with firmware version 1.2.0_RC3 build r6594 are vulnerable to a cross-site request forgery (CSRF) attack that allows remote attackers to manipulate the authentication process.
Understanding CVE-2017-11649
This CVE entry describes a CSRF vulnerability in DrayTek Vigor AP910C devices that can be exploited to compromise the authentication of unidentified users.
What is CVE-2017-11649?
The vulnerability in DrayTek Vigor AP910C devices with specific firmware versions enables attackers to control the authentication process by triggering SNMP activation through crafted requests.
The Impact of CVE-2017-11649
The vulnerability allows remote attackers to hijack the authentication of unspecified users by exploiting the SNMP activation feature on the targeted device.
Technical Details of CVE-2017-11649
DrayTek Vigor AP910C devices with firmware version 1.2.0_RC3 build r6594 are affected by this CSRF vulnerability.
Vulnerability Description
The flaw in the goform/setSnmp function of the affected devices permits attackers to manipulate the authentication process by activating SNMP remotely.
Affected Systems and Versions
- Product: DrayTek Vigor AP910C
- Firmware Version: 1.2.0_RC3 build r6594
Exploitation Mechanism
Attackers exploit this vulnerability by sending crafted requests to enable SNMP on the targeted DrayTek Vigor AP910C device, allowing them to take control of the authentication process.
Mitigation and Prevention
To address CVE-2017-11649, users and administrators should take immediate and long-term security measures.
Immediate Steps to Take
- Disable SNMP if not required to mitigate the risk of exploitation.
- Monitor network traffic for any suspicious activity related to SNMP.
Long-Term Security Practices
- Regularly update firmware and security patches for DrayTek Vigor AP910C devices.
- Implement network segmentation and access controls to limit unauthorized access.
Patching and Updates
- Apply the latest firmware updates provided by DrayTek to patch the CSRF vulnerability and enhance device security.