CVE-2017-18758 : Security Advisory and Response
Learn about CVE-2017-18758, a high-severity vulnerability in NETGEAR devices allowing authenticated users to trigger a stack-based buffer overflow. Find mitigation steps and update recommendations here.
An authenticated user can cause a stack-based buffer overflow in specific NETGEAR devices. This vulnerability impacts R6700v2 devices with firmware versions prior to 1.1.0.42, R6800 devices with firmware versions prior to 1.1.0.42, and R6900v2 devices with firmware versions prior to 1.1.0.42.
Understanding CVE-2017-18758
This CVE involves a stack-based buffer overflow vulnerability in certain NETGEAR devices, allowing an authenticated user to exploit it.
What is CVE-2017-18758?
CVE-2017-18758 is a security vulnerability that enables an authenticated user to trigger a stack-based buffer overflow in specific NETGEAR devices.
The Impact of CVE-2017-18758
The vulnerability has a CVSS base score of 8.8, categorizing it as high severity. It can lead to high impacts on confidentiality, integrity, and availability of the affected systems.
Technical Details of CVE-2017-18758
This section provides more in-depth technical insights into the CVE.
Vulnerability Description
The vulnerability allows an authenticated user to execute a stack-based buffer overflow on NETGEAR devices, specifically R6700v2, R6800, and R6900v2 with firmware versions prior to 1.1.0.42.
Affected Systems and Versions
- R6700v2 devices with firmware versions before 1.1.0.42
- R6800 devices with firmware versions prior to 1.1.0.42
- R6900v2 devices with firmware versions before 1.1.0.42
Exploitation Mechanism
The vulnerability can be exploited by an authenticated user to trigger a stack-based buffer overflow, potentially leading to unauthorized access and control of the affected devices.
Mitigation and Prevention
To address CVE-2017-18758, follow these mitigation strategies:
Immediate Steps to Take
- Update the firmware of the affected NETGEAR devices to version 1.1.0.42 or later.
- Implement strong authentication mechanisms to prevent unauthorized access.
Long-Term Security Practices
- Regularly monitor for security updates and patches from NETGEAR.
- Conduct security assessments and penetration testing to identify and address vulnerabilities proactively.
Patching and Updates
- Apply patches and updates provided by NETGEAR promptly to mitigate the vulnerability and enhance the security of the devices.