CVE-2020-10929 : Exploit Details and Defense Strategies
Learn about CVE-2020-10929 affecting NETGEAR R6700 V1.0.4.84_10.0.58 routers. Discover the impact, technical details, and mitigation steps for this high-severity vulnerability.
This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of NETGEAR R6700 V1.0.4.84_10.0.58 routers without requiring authentication. The flaw lies in the handling of string table file uploads, leading to an integer overflow before buffer allocation, enabling code execution in the admin user context.
Understanding CVE-2020-10929
This CVE impacts NETGEAR R6700 routers, allowing attackers to run arbitrary code without authentication.
What is CVE-2020-10929?
CVE-2020-10929 is a vulnerability in NETGEAR R6700 routers that permits network-adjacent attackers to execute code without authentication due to improper validation of user-supplied data.
The Impact of CVE-2020-10929
- CVSS Base Score: 8.8 (High Severity)
- Attack Vector: Adjacent Network
- Confidentiality Impact: High
- Integrity Impact: High
- Availability Impact: High
Technical Details of CVE-2020-10929
This section provides in-depth technical insights into the vulnerability.
Vulnerability Description
The flaw arises from an integer overflow during buffer allocation, triggered by inadequate validation of user input in string table file uploads.
Affected Systems and Versions
- Affected Product: NETGEAR R6700
- Affected Version: V1.0.4.84_10.0.58
Exploitation Mechanism
Attackers exploit the lack of input validation to trigger an integer overflow, enabling the execution of arbitrary code in the admin user context.
Mitigation and Prevention
Protecting systems from CVE-2020-10929 requires immediate actions and long-term security measures.
Immediate Steps to Take
- Apply security patches promptly
- Monitor network traffic for suspicious activities
- Implement network segmentation to limit the attack surface
Long-Term Security Practices
- Regularly update firmware and security software
- Conduct security audits and penetration testing
- Educate users on safe browsing habits
Patching and Updates
Ensure timely installation of security patches and updates to mitigate the risk of exploitation.