CVE-2019-20725 : What You Need to Know
Learn about CVE-2019-20725, a vulnerability allowing authenticated users to trigger a stack-based buffer overflow in specific NETGEAR devices. Find out affected models and mitigation steps.
An authenticated user can exploit a stack-based buffer overflow vulnerability in specific NETGEAR devices. This vulnerability affects various models including D3600, D6000, D6100, R7800, R8900, R9000, WNDR3700v4, WNDR4300v1, WNDR4300v2, WNDR4500v3, WNR2000v5, and XR500.
Understanding CVE-2019-20725
This CVE involves a stack-based buffer overflow vulnerability in certain NETGEAR devices, allowing an authenticated user to exploit it.
What is CVE-2019-20725?
CVE-2019-20725 is a vulnerability that enables an authenticated user to trigger a stack-based buffer overflow in specific NETGEAR devices.
The Impact of CVE-2019-20725
- CVSS Base Score: 6.8 (Medium)
- Attack Vector: Adjacent Network
- Confidentiality Impact: High
- Integrity Impact: High
- Availability Impact: High
- Privileges Required: High
Technical Details of CVE-2019-20725
This section provides detailed technical information about the vulnerability.
Vulnerability Description
The vulnerability allows an authenticated user to execute a stack-based buffer overflow on affected NETGEAR devices.
Affected Systems and Versions
The following models are impacted by this vulnerability:
- D3600 (before 1.0.0.75)
- D6000 (before 1.0.0.75)
- D6100 (before 1.0.0.63)
- R7800 (before 1.0.2.52)
- R8900 (before 1.0.4.2)
- R9000 (before 1.0.4.2)
- WNDR3700v4 (before 1.0.2.102)
- WNDR4300v1 (before 1.0.2.104)
- WNDR4300v2 (before 1.0.0.58)
- WNDR4500v3 (before 1.0.0.58)
- WNR2000v5 (before 1.0.0.68)
- XR500 (before 2.3.2.32)
Exploitation Mechanism
The vulnerability can be exploited by an authenticated user to trigger a stack-based buffer overflow on the affected NETGEAR devices.
Mitigation and Prevention
Protect your systems from CVE-2019-20725 with the following measures:
Immediate Steps to Take
- Apply security patches provided by NETGEAR for the affected devices.
- Monitor for any unusual activities on the network.
Long-Term Security Practices
- Regularly update firmware and software on all network devices.
- Implement strong authentication mechanisms to prevent unauthorized access.
Patching and Updates
Ensure timely installation of security patches and updates to mitigate the risk of exploitation.