CVE-2020-36963

HIGH SEVERITY

CVSS Score & Metrics

Base Score

7.5 / 10

Vector String

                                        CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N                                    

Vulnerability 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.

Vulnerability Details

Published Date

January 28, 2026

Last Modified

January 29, 2026

CWE ID

CWE-306

Source

NVD

Vendor

Intelbras

Product

Intelbras Router RF 301K

External References

https://www.exploit-db.com/exploits/49126
https://www.intelbras.com/pt-br/
https://www.vulncheck.com/advisories/intelbras-router-rf-k-authentication-bypass

CVE-2020-36963

CVSS Score & Metrics

Vulnerability Description

Vulnerability Details

External References

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