CVE-2022-23135 : What You Need to Know
Learn about CVE-2022-23135, a directory traversal vulnerability impacting ZTE's ZXHN F677 and ZXHN F477 home gateway products up to version V9.0.0P1N28. Explore its implications, technical details, and mitigation strategies.
A directory traversal vulnerability has been identified in certain ZTE home gateway products, potentially allowing unauthorized access and modification of system path contents.
Understanding CVE-2022-23135
This CVE (CVE-2022-23135) pertains to a directory traversal vulnerability affecting ZXHN F677 and ZXHN F477 home gateway products by ZTE.
What is CVE-2022-23135?
CVE-2022-23135 involves a lack of user-modified destination path verification, enabling attackers with specific permissions to manipulate the FTP access path and compromise system integrity.
The Impact of CVE-2022-23135
Exploitation of this vulnerability may lead to unauthorized access, data leakage, and disruption of device operations, posing significant security risks.
Technical Details of CVE-2022-23135
This section provides insights into the vulnerability description, affected systems and versions, as well as the exploitation mechanism.
Vulnerability Description
The vulnerability allows attackers to modify FTP access paths without proper authorization, potentially leading to information leakage and system compromise.
Affected Systems and Versions
ZXHN F677 and ZXHN F477 home gateway products are affected, specifically versions up to V9.0.0P1N28.
Exploitation Mechanism
Attackers with specific permissions can exploit the lack of destination path verification to access and modify system path contents, compromising device security.
Mitigation and Prevention
To address CVE-2022-23135, it is crucial to take immediate action and implement long-term security practices.
Immediate Steps to Take
Users should apply vendor-supplied patches promptly, restrict network access to vulnerable systems, and monitor for any unauthorized activities.
Long-Term Security Practices
Implement least privilege principles, conduct regular security audits, and educate users on safe practices to enhance overall cybersecurity.
Patching and Updates
Regularly update firmware and security configurations, subscribe to vendor notifications, and stay informed about emerging threats to bolster defense mechanisms.