CVE-2021-40406: Reolink RLC-410W Firmware

High severity, CVSS 7.5. EPSS: 1.5% chance of exploitation in the next 30 days.

A denial of service vulnerability exists in the cgiserver.cgi session creation functionality of reolink RLC-410W v3.0.0.136_20121102. A specially-crafted HTTP request can lead to prevent users from logging in. An attacker can send an HTTP request to trigger this vulnerability.

Affected products

• Reolink RLC-410W Firmware: version 3.0.0.136_20121102 only

Published 2022-01-28. Last modified 2026-06-17.