CVE-2017-18849 : Exploit Details and Defense Strategies
Learn about CVE-2017-18849, a command injection vulnerability in NETGEAR routers. Find out affected models, impacts, and mitigation steps to secure your devices.
NETGEAR devices are vulnerable to a command injection flaw affecting various models. This vulnerability can have a high impact on confidentiality, integrity, and availability.
Understanding CVE-2017-18849
This CVE identifies a command injection vulnerability in multiple NETGEAR router models.
What is CVE-2017-18849?
The CVE-2017-18849 vulnerability involves command injection in several NETGEAR devices, potentially allowing attackers to execute arbitrary commands.
The Impact of CVE-2017-18849
The vulnerability has a high severity level with significant impacts on confidentiality, integrity, and availability of the affected devices.
Technical Details of CVE-2017-18849
This section provides detailed technical information about the CVE-2017-18849 vulnerability.
Vulnerability Description
The vulnerability allows attackers to inject and execute commands on vulnerable NETGEAR devices.
Affected Systems and Versions
The following NETGEAR models are affected by this vulnerability:
- D6220 versions prior to 1.0.0.26
- D6400 versions prior to 1.0.0.60
- D8500 versions prior to 1.0.3.29
- R6250 versions prior to 1.0.4.12
- R6400 versions prior to 1.01.24
- R6400v2 versions prior to 1.0.2.30
- R6700 versions prior to 1.0.1.22
- R6900 versions prior to 1.0.1.22
- R6900P versions prior to 1.0.0.56
- R7000 versions prior to 1.0.9.4
- R7000P versions prior to 1.0.0.56
- R7100LG versions prior to 1.0.0.32
- R7300DST versions prior to 1.0.0.54
- R7900 versions prior to 1.0.1.18
- R8000 versions prior to 1.0.3.44
- R8300 versions prior to 1.0.2.100_1.0.82
- R8500 versions prior to 1.0.2.100_1.0.82
Exploitation Mechanism
The vulnerability can be exploited locally, requiring no special privileges, and can lead to a complete compromise of the affected devices.
Mitigation and Prevention
To address CVE-2017-18849, users should take immediate and long-term security measures.
Immediate Steps to Take
- Update affected devices to the latest firmware versions provided by NETGEAR.
- Implement strong network segmentation to limit the impact of potential attacks.
Long-Term Security Practices
- Regularly monitor for security advisories and updates from NETGEAR.
- Employ strong password policies and access controls to prevent unauthorized access.
Patching and Updates
Regularly check for firmware updates and security patches from NETGEAR to mitigate the CVE-2017-18849 vulnerability.