CVE-2020-36963
HIGH EPSS 28.3%
Published Jan 28, 20265mo ago · Modified Jun 17, 20261w ago
8.7 CVSS 4.0
Published Jan 28, 2026 5mo ago
Last Modified Jun 17, 2026 1w ago
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.
CVSS Details
Base Score
Exploitability
Impact
Vector string
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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction None
Scope X
Threat Intelligence
EPSS Exploit Probability
28.3% percentile
Exploit & Patch Status
No Known Exploit
No Patch Available
Weaknesses 1
CWE-306 Missing Authentication for Critical Function Authentication
References 3
- exploit-db.com https://www.exploit-db.com/exploits/49126
- intelbras.com https://www.intelbras.com/pt-br/
- vulncheck.com https://www.vulncheck.com/advisories/intelbras-router-rf-k-authentication-bypass
Remediation
No remediation data recorded yet
Check vendor advisories and the NVD entry for patch availability.