CVE-2022-21809 : Exploit Details and Defense Strategies
Critical CVE-2022-21809 impacts InRouter302 V3.5.4. Understand the file write vulnerability's impact, technical details, affected systems, and mitigation steps to secure systems.
A file write vulnerability in the httpd upload.cgi function of InHand Networks InRouter302 V3.5.4 allows arbitrary file upload via a specially-crafted HTTP request, impacting confidentiality, integrity, and availability.
Understanding CVE-2022-21809
This CVE involves a critical file upload vulnerability in InHand Networks InRouter302 V3.5.4, posing a significant risk to affected systems.
What is CVE-2022-21809?
CVE-2022-21809 is a file write vulnerability in the httpd upload.cgi function of InHand Networks InRouter302 V3.5.4 that enables malicious actors to upload arbitrary files through a crafted HTTP request.
The Impact of CVE-2022-21809
The vulnerability has a base score of 9.9 (Critical) and can result in high impacts on confidentiality, integrity, and availability, making it a severe security concern for organizations using the affected product.
Technical Details of CVE-2022-21809
The technical details of CVE-2022-21809 shed light on the vulnerability's description, affected systems and versions, as well as the exploitation mechanism.
Vulnerability Description
The vulnerability allows attackers to upload malicious files to the target system through specially-crafted HTTP requests
Affected Systems and Versions
InHand Networks InRouter302 V3.5.4 is the affected product and version, exposing systems with this configuration to the risk of arbitrary file uploads.
Exploitation Mechanism
By sending specific HTTP requests to the upload.cgi function, threat actors can trigger the vulnerability and upload unauthorized files.
Mitigation and Prevention
To address CVE-2022-21809, immediate actions and long-term security practices are recommended alongside applying necessary patches and updates.
Immediate Steps to Take
Organizations are advised to restrict access to the vulnerable function, monitor network traffic for suspicious activities, and consider implementing network-based security mechanisms.
Long-Term Security Practices
Regular security audits, penetration testing, and employee training on secure coding practices can enhance the overall security posture to prevent similar vulnerabilities in the future.
Patching and Updates
InHand Networks may release security patches or updates to fix the vulnerability, and users should apply them promptly to secure their systems.