High severity7.5NVD Advisory· Published Jan 28, 2026· Updated Apr 15, 2026

CVE-2020-36963

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.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

Intelbras/Router RF 301Kllm-create
Range: = 1.1.2

Patches

Vulnerability mechanics

References

www.exploit-db.com/exploits/49126nvd
www.intelbras.com/pt-br/nvd
www.vulncheck.com/advisories/intelbras-router-rf-k-authentication-bypassnvd

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