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High · 7.5 CVE-2020-36963 EUVD-2020-30886GHSA-mgpr-67wh-564q

Intelbras Router RF 301K 1.1.2 - Authentication Bypass

Published Jan 28, 2026 · Updated Jul 28, 2026 · Assigned by VulnCheck

Description

Intelbras Router RF 301K firmware version 1.1.2 contains an authentication bypass vulnerability that allows unauthenticated attackers to download router configuration files. Attackers can send a specific HTTP GET request to /cgi-bin/DownloadCfg/RouterCfm.cfg to retrieve sensitive router configuration without authentication.

Affected products

VendorProductAffectedFixed
Intelbras Intelbras Router RF 301K firmware version 1.1.2 —

References