CVE-2018-21222 : Vulnerability Insights and Analysis
Learn about CVE-2018-21222, a high-severity buffer overflow vulnerability in various NETGEAR devices. Find out affected models and steps to mitigate the risk.
A buffer overflow vulnerability in various NETGEAR devices allows unauthenticated attackers to exploit the system. This CVE affects specific models such as D3600, D6000, D7800, R6100, R7500, R7500v2, R9000, WNDR3700v4, WNDR4300, WNDR4300v2, WNDR4500v3, and WNR2000v5.
Understanding CVE-2018-21222
This CVE involves a buffer overflow vulnerability in NETGEAR devices, potentially leading to unauthorized access.
What is CVE-2018-21222?
Unauthenticated attackers can exploit a buffer overflow vulnerability in various NETGEAR devices, affecting specific models.
The Impact of CVE-2018-21222
- CVSS Score: 8.8 (High Severity)
- Attack Complexity: Low
- Attack Vector: Adjacent Network
- Availability Impact: High
- Confidentiality Impact: High
- Integrity Impact: High
- Privileges Required: None
- User Interaction: None
Technical Details of CVE-2018-21222
This section provides detailed technical information about the vulnerability.
Vulnerability Description
The vulnerability allows unauthenticated attackers to trigger a buffer overflow in NETGEAR devices.
Affected Systems and Versions
The following models are affected:
- D3600 (versions prior to 1.0.0.67)
- D6000 (versions prior to 1.0.0.67)
- D7800 (versions prior to 1.0.1.30)
- R6100 (versions prior to 1.0.1.20)
- R7500 (versions prior to 1.0.0.118)
- R7500v2 (versions prior to 1.0.3.24)
- R9000 (versions prior to 1.0.2.52)
- WNDR3700v4 (versions prior to 1.0.2.96)
- WNDR4300 (versions prior to 1.0.2.98)
- WNDR4300v2 (versions prior to 1.0.0.50)
- WNDR4500v3 (versions prior to 1.0.0.50)
- WNR2000v5 (versions prior to 1.0.0.62)
Exploitation Mechanism
The vulnerability can be exploited by unauthenticated attackers through a buffer overflow in the affected NETGEAR devices.
Mitigation and Prevention
Protect your systems from potential exploits and secure your network.
Immediate Steps to Take
- Update affected devices to the latest firmware versions.
- Implement strong network access controls.
- Monitor network traffic for any suspicious activities.
Long-Term Security Practices
- Regularly update and patch all network devices.
- Conduct security assessments and penetration testing.
- Educate users on best security practices.
Patching and Updates
Ensure timely installation of security patches and updates for NETGEAR devices.