CVE-2020-36963
Intelbras Router RF 301K 1.1.2 - Authentication Bypass
- State
- Published
- Severity
- 8.7 High
- Published
- Jan 28, 2026
- Updated
- Jul 28, 2026
- Reserved
- Jan 27, 2026
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.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 4.0 | 8.7 High | 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 | VulnCheck |
| 3.1 | 7.5 High | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N | VulnCheck |
Weaknesses
- CWE-306 Missing Authentication for Critical Function
Affected Products
| Product | Versions |
|---|---|
Intelbras Router RF 301KIntelbras |
|
References
- ExploitDB-49126exploit
- Intelbras Official Homepageproduct
- VulnCheck Advisory: Intelbras Router RF 301K 1.1.2 - Authentication Bypassthird-party-advisory
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