CVE-2022-21809: Inhandnetworks INROUTER302 Firmware

High severity, CVSS 8.1. EPSS: 1.8% chance of exploitation in the next 30 days.

A file write vulnerability exists in the httpd upload.cgi functionality of InHand Networks InRouter302 V3.5.4. A specially-crafted HTTP request can lead to arbitrary file upload. An attacker can upload a malicious file to trigger this vulnerability.

Affected products

• Inhandnetworks INROUTER302 Firmware: up to and including 3.5.37

Published 2022-05-12. Last modified 2026-06-17.