CVE-2022-23768 : Security Advisory and Response
Discover the high impact CVE-2022-23768 affecting Neo Information Systems Co., Ltd's Home AP NIS-HAP11AC device. Learn about the vulnerability, its impact, and mitigation steps.
A vulnerability has been discovered in Neo Information Systems Co., Ltd's Home AP NIS-HAP11AC that allows remote attackers to exploit an exposed external port for the telnet service.
Understanding CVE-2022-23768
This CVE identifies a remote access and manipulation vulnerability in the NIS-HAP11AC device.
What is CVE-2022-23768?
The vulnerability in NIS-HAP11AC is triggered by an exposed external port for the telnet service. Attackers can leverage this vulnerability for various malicious activities like source code hijacking and taking remote control of the device.
The Impact of CVE-2022-23768
The impact of this vulnerability is rated high, with a base severity score of 8.8. It has a significant effect on the confidentiality, integrity, and availability of the affected systems.
Technical Details of CVE-2022-23768
This section delves into the specific technical details of the vulnerability.
Vulnerability Description
The vulnerability is classified under CWE-284 - Improper Access Control, indicating a flaw in access control mechanisms that allow unauthorized manipulation.
Affected Systems and Versions
The impacted product is the Home AP NIS-HAP11AC by Neo Information Systems Co., Ltd, with version V3.0-B20201117095902 being affected.
Exploitation Mechanism
Remote attackers exploit an exposed external port for the telnet service to launch attacks such as source code hijacking and gaining remote control over the device.
Mitigation and Prevention
To safeguard against CVE-2022-23768, implement the following preventive measures.
Immediate Steps to Take
Immediately disable the telnet service on the affected device to prevent unauthorized access. Regularly monitor for any unusual activities.
Long-Term Security Practices
Enhance the device security by updating to the latest firmware versions, implementing strong access control policies, and conducting regular security audits.
Patching and Updates
Stay informed about security patches released by the vendor and apply them promptly to secure the device against known vulnerabilities.