nvd.nist.gov
https://nvd.nist.gov/vuln/detail/CVE-2020-36963 CVE-2020-36963
HIGH
Intelbras Router RF 301K 1.1.2 - Authentication Bypass
Record summary
CVE-2020-36963 has a selected CVSS score of 8.7 (high); EIP currently links 1 catalogued exploit.
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.
Description source: CVE List
Exploitation context
Available material
- Catalogued exploits
- 1
CISA SSVC decision
ExploitationPoC
AutomatableYes
Technical impactPartial
CISA Coordinator · SSVC 2.0.3 · Evaluated Jan 28, 2026 · Source: CVE List
Affected products and versions
1| Product | Source | Version range | Status |
|---|---|---|---|
Intelbras Router RF 301KBrowse Intelbras / Intelbras Router RF 301K | CVE List | firmware version 1.1.2 | affected |
Proofs of concept
1Catalogued exploits
ExploitDBIntelbras Router RF 301K 1.1.2 - Authentication BypassExploitDB exploitby Kaio AmaralNot analyzed1 file
References
4ExploitDB-49126exploit
https://www.exploit-db.com/exploits/49126 Intelbras Official Homepageproduct
https://www.intelbras.com/pt-br VulnCheck Advisory: Intelbras Router RF 301K 1.1.2 - Authentication BypassThird-party advisory
https://www.vulncheck.com/advisories/intelbras-router-rf-k-authentication-bypass