CVE-2021-40413: Reolink RLC-410W Firmware

High severity, CVSS 7.1. EPSS: 0.8% chance of exploitation in the next 30 days.

An incorrect default permission vulnerability exists in the cgiserver.cgi cgi_check_ability functionality of reolink RLC-410W v3.0.0.136_20121102. The UpgradePrepare is the API that checks if a provided filename identifies a new version of the RLC-410W firmware. If the version is new, it would be possible, allegedly, to later on perform the Upgrade. 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.