CVE-2017-18721 Explained : Impact and Mitigation
Learn about CVE-2017-18721, a stack-based buffer overflow vulnerability in specific NETGEAR devices. Find out the impact, affected systems, exploitation mechanism, and mitigation steps.
An unauthenticated attacker can exploit a stack-based buffer overflow vulnerability in specific NETGEAR devices including D6200, R6700v2, R6800, and R6900v2.
Understanding CVE-2017-18721
Certain NETGEAR devices are susceptible to a stack-based buffer overflow vulnerability that can be exploited by an unauthenticated attacker.
What is CVE-2017-18721?
The vulnerability allows an unauthenticated attacker to trigger a stack-based buffer overflow on specific NETGEAR devices.
The Impact of CVE-2017-18721
- CVSS Base Score: 8.8 (High)
- Attack Vector: Adjacent Network
- Confidentiality Impact: High
- Integrity Impact: High
- Availability Impact: High
Technical Details of CVE-2017-18721
The technical aspects of the CVE-2017-18721 vulnerability.
Vulnerability Description
The vulnerability is a stack-based buffer overflow that affects specific NETGEAR devices.
Affected Systems and Versions
- D6200 with software version prior to 1.1.00.24
- R6700v2 with software version prior to 1.1.0.42
- R6800 with software version prior to 1.1.0.42
- R6900v2 with software version prior to 1.1.0.42
Exploitation Mechanism
The vulnerability can be exploited by an unauthenticated attacker to trigger the stack-based buffer overflow.
Mitigation and Prevention
Steps to mitigate and prevent exploitation of CVE-2017-18721.
Immediate Steps to Take
- Update affected devices to the latest software version.
- Implement network security best practices.
Long-Term Security Practices
- Regularly monitor for security advisories and updates from NETGEAR.
- Conduct security assessments and penetration testing on network devices.
Patching and Updates
- Apply patches provided by NETGEAR to address the vulnerability.