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.
History

Thu, 29 Jan 2026 19:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'poc', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Thu, 29 Jan 2026 10:15:00 +0000

Type Values Removed Values Added
First Time appeared Intelbras
Intelbras rf 301k
Vendors & Products Intelbras
Intelbras rf 301k

Wed, 28 Jan 2026 17:45:00 +0000

Type Values Removed Values Added
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.
Title Intelbras Router RF 301K 1.1.2 - Authentication Bypass
Weaknesses CWE-306
References
Metrics cvssV3_1

{'score': 7.5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N'}

cvssV4_0

{'score': 8.7, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N'}


cve-icon MITRE

Status: PUBLISHED

Assigner: VulnCheck

Published: 2026-01-28T17:35:08.650Z

Updated: 2026-01-29T18:12:47.675Z

Reserved: 2026-01-27T15:47:07.998Z

Link: CVE-2020-36963

cve-icon Vulnrichment

Updated: 2026-01-28T18:59:44.226Z

cve-icon NVD

Status : Awaiting Analysis

Published: 2026-01-28T18:16:46.453

Modified: 2026-01-29T19:16:07.803

Link: CVE-2020-36963

cve-icon Redhat

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